Home / 113,674.35-156,871.38-62,688.90

Finding the Fourth Proportional to 113,674.35, 156,871.38 and 62,688.90

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Solution

The fourth proportional to 113,674.35, 156,871.38 and 62,688.90 is: 86,511.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,674.35 : 156,871.38 = 62,688.90 : x
  2. Step 2: Convert to fraction form
    113,674.35/156,871.38 = 62,688.90/x
  3. Step 3: Cross multiply
    113,674.35x = 156,871.38 × 62,688.90
  4. Step 4: Simplify right side
    113,674.35x = 9,834,094,253.68
  5. Step 5: Solve for x
    x = 9,834,094,253.68/113,674.35
  6. Step 6: Final answer
    x = 86,511.11

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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.