Home / 113,122.60-169,683.90-57,711.40

Finding the Fourth Proportional to 113,122.60, 169,683.90 and 57,711.40

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Solution

The fourth proportional to 113,122.60, 169,683.90 and 57,711.40 is: 86,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,122.60 : 169,683.90 = 57,711.40 : x
  2. Step 2: Convert to fraction form
    113,122.60/169,683.90 = 57,711.40/x
  3. Step 3: Cross multiply
    113,122.60x = 169,683.90 × 57,711.40
  4. Step 4: Simplify right side
    113,122.60x = 9,792,695,426.46
  5. Step 5: Solve for x
    x = 9,792,695,426.46/113,122.60
  6. Step 6: Final answer
    x = 86,567.10

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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.