Home / 103,184.92-142,334.86-64,883.85

Finding the Fourth Proportional to 103,184.92, 142,334.86 and 64,883.85

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Solution

The fourth proportional to 103,184.92, 142,334.86 and 64,883.85 is: 89,501.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,184.92 : 142,334.86 = 64,883.85 : x
  2. Step 2: Convert to fraction form
    103,184.92/142,334.86 = 64,883.85/x
  3. Step 3: Cross multiply
    103,184.92x = 142,334.86 × 64,883.85
  4. Step 4: Simplify right side
    103,184.92x = 9,235,233,706.01
  5. Step 5: Solve for x
    x = 9,235,233,706.01/103,184.92
  6. Step 6: Final answer
    x = 89,501.78

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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.