Home / 105,737.60-145,880.04-60,382.88

Finding the Fourth Proportional to 105,737.60, 145,880.04 and 60,382.88

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Solution

The fourth proportional to 105,737.60, 145,880.04 and 60,382.88 is: 83,306.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,737.60 : 145,880.04 = 60,382.88 : x
  2. Step 2: Convert to fraction form
    105,737.60/145,880.04 = 60,382.88/x
  3. Step 3: Cross multiply
    105,737.60x = 145,880.04 × 60,382.88
  4. Step 4: Simplify right side
    105,737.60x = 8,808,656,949.72
  5. Step 5: Solve for x
    x = 8,808,656,949.72/105,737.60
  6. Step 6: Final answer
    x = 83,306.76

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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.