Home / 109,210.76-150,757.34-73,421.52

Finding the Fourth Proportional to 109,210.76, 150,757.34 and 73,421.52

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Solution

The fourth proportional to 109,210.76, 150,757.34 and 73,421.52 is: 101,352.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,210.76 : 150,757.34 = 73,421.52 : x
  2. Step 2: Convert to fraction form
    109,210.76/150,757.34 = 73,421.52/x
  3. Step 3: Cross multiply
    109,210.76x = 150,757.34 × 73,421.52
  4. Step 4: Simplify right side
    109,210.76x = 11,068,832,686.85
  5. Step 5: Solve for x
    x = 11,068,832,686.85/109,210.76
  6. Step 6: Final answer
    x = 101,352.95

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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.