Home / 113,449.48-156,557.60-63,147.40

Finding the Fourth Proportional to 113,449.48, 156,557.60 and 63,147.40

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Solution

The fourth proportional to 113,449.48, 156,557.60 and 63,147.40 is: 87,141.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,449.48 : 156,557.60 = 63,147.40 : x
  2. Step 2: Convert to fraction form
    113,449.48/156,557.60 = 63,147.40/x
  3. Step 3: Cross multiply
    113,449.48x = 156,557.60 × 63,147.40
  4. Step 4: Simplify right side
    113,449.48x = 9,886,205,390.24
  5. Step 5: Solve for x
    x = 9,886,205,390.24/113,449.48
  6. Step 6: Final answer
    x = 87,141.92

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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.