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Finding the Fourth Proportional to 158,051.69, 236,827.84 and 128,324.28

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Solution

The fourth proportional to 158,051.69, 236,827.84 and 128,324.28 is: 192,283.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,051.69 : 236,827.84 = 128,324.28 : x
  2. Step 2: Convert to fraction form
    158,051.69/236,827.84 = 128,324.28/x
  3. Step 3: Cross multiply
    158,051.69x = 236,827.84 × 128,324.28
  4. Step 4: Simplify right side
    158,051.69x = 30,390,761,731.14
  5. Step 5: Solve for x
    x = 30,390,761,731.14/158,051.69
  6. Step 6: Final answer
    x = 192,283.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.