Home / 102,585.28-153,762.88-67,114.76

Finding the Fourth Proportional to 102,585.28, 153,762.88 and 67,114.76

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Solution

The fourth proportional to 102,585.28, 153,762.88 and 67,114.76 is: 100,596.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,585.28 : 153,762.88 = 67,114.76 : x
  2. Step 2: Convert to fraction form
    102,585.28/153,762.88 = 67,114.76/x
  3. Step 3: Cross multiply
    102,585.28x = 153,762.88 × 67,114.76
  4. Step 4: Simplify right side
    102,585.28x = 10,319,758,788.11
  5. Step 5: Solve for x
    x = 10,319,758,788.11/102,585.28
  6. Step 6: Final answer
    x = 100,596.88

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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.