Home / 113,155.37-156,154.50-62,171.39

Finding the Fourth Proportional to 113,155.37, 156,154.50 and 62,171.39

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Solution

The fourth proportional to 113,155.37, 156,154.50 and 62,171.39 is: 85,796.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,155.37 : 156,154.50 = 62,171.39 : x
  2. Step 2: Convert to fraction form
    113,155.37/156,154.50 = 62,171.39/x
  3. Step 3: Cross multiply
    113,155.37x = 156,154.50 × 62,171.39
  4. Step 4: Simplify right side
    113,155.37x = 9,708,342,319.76
  5. Step 5: Solve for x
    x = 9,708,342,319.76/113,155.37
  6. Step 6: Final answer
    x = 85,796.57

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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.