Home / 147,087.52-203,051.28-90,547.36

Finding the Fourth Proportional to 147,087.52, 203,051.28 and 90,547.36

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Solution

The fourth proportional to 147,087.52, 203,051.28 and 90,547.36 is: 124,998.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,087.52 : 203,051.28 = 90,547.36 : x
  2. Step 2: Convert to fraction form
    147,087.52/203,051.28 = 90,547.36/x
  3. Step 3: Cross multiply
    147,087.52x = 203,051.28 × 90,547.36
  4. Step 4: Simplify right side
    147,087.52x = 18,385,757,348.62
  5. Step 5: Solve for x
    x = 18,385,757,348.62/147,087.52
  6. Step 6: Final answer
    x = 124,998.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.