Home / 113,122.60-156,116.13-62,821.60

Finding the Fourth Proportional to 113,122.60, 156,116.13 and 62,821.60

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Solution

The fourth proportional to 113,122.60, 156,116.13 and 62,821.60 is: 86,697.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,122.60 : 156,116.13 = 62,821.60 : x
  2. Step 2: Convert to fraction form
    113,122.60/156,116.13 = 62,821.60/x
  3. Step 3: Cross multiply
    113,122.60x = 156,116.13 × 62,821.60
  4. Step 4: Simplify right side
    113,122.60x = 9,807,465,072.41
  5. Step 5: Solve for x
    x = 9,807,465,072.41/113,122.60
  6. Step 6: Final answer
    x = 86,697.66

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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.