Home / 120,347.16-180,695.70-88,854.36

Finding the Fourth Proportional to 120,347.16, 180,695.70 and 88,854.36

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Solution

The fourth proportional to 120,347.16, 180,695.70 and 88,854.36 is: 133,410.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,347.16 : 180,695.70 = 88,854.36 : x
  2. Step 2: Convert to fraction form
    120,347.16/180,695.70 = 88,854.36/x
  3. Step 3: Cross multiply
    120,347.16x = 180,695.70 × 88,854.36
  4. Step 4: Simplify right side
    120,347.16x = 16,055,600,778.25
  5. Step 5: Solve for x
    x = 16,055,600,778.25/120,347.16
  6. Step 6: Final answer
    x = 133,410.72

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1.5x scale

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.