Home / 242,528.67-334,699.92-135,098.78

Finding the Fourth Proportional to 242,528.67, 334,699.92 and 135,098.78

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Solution

The fourth proportional to 242,528.67, 334,699.92 and 135,098.78 is: 186,442.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,528.67 : 334,699.92 = 135,098.78 : x
  2. Step 2: Convert to fraction form
    242,528.67/334,699.92 = 135,098.78/x
  3. Step 3: Cross multiply
    242,528.67x = 334,699.92 × 135,098.78
  4. Step 4: Simplify right side
    242,528.67x = 45,217,549,184.60
  5. Step 5: Solve for x
    x = 45,217,549,184.60/242,528.67
  6. Step 6: Final answer
    x = 186,442.08

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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.