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Finding the Fourth Proportional to 153,101.79, 229,677.32 and 53,290.35

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Solution

The fourth proportional to 153,101.79, 229,677.32 and 53,290.35 is: 79,944.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,101.79 : 229,677.32 = 53,290.35 : x
  2. Step 2: Convert to fraction form
    153,101.79/229,677.32 = 53,290.35/x
  3. Step 3: Cross multiply
    153,101.79x = 229,677.32 × 53,290.35
  4. Step 4: Simplify right side
    153,101.79x = 12,239,584,903.09
  5. Step 5: Solve for x
    x = 12,239,584,903.09/153,101.79
  6. Step 6: Final answer
    x = 79,944.10

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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.