Home / 113,177.57-156,077.98-74,346.83

Finding the Fourth Proportional to 113,177.57, 156,077.98 and 74,346.83

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Solution

The fourth proportional to 113,177.57, 156,077.98 and 74,346.83 is: 102,528.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,177.57 : 156,077.98 = 74,346.83 : x
  2. Step 2: Convert to fraction form
    113,177.57/156,077.98 = 74,346.83/x
  3. Step 3: Cross multiply
    113,177.57x = 156,077.98 × 74,346.83
  4. Step 4: Simplify right side
    113,177.57x = 11,603,903,436.00
  5. Step 5: Solve for x
    x = 11,603,903,436.00/113,177.57
  6. Step 6: Final answer
    x = 102,528.30

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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.