Home / 102,002.15-153,003.23-42,904.55

Finding the Fourth Proportional to 102,002.15, 153,003.23 and 42,904.55

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Solution

The fourth proportional to 102,002.15, 153,003.23 and 42,904.55 is: 64,356.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,002.15 : 153,003.23 = 42,904.55 : x
  2. Step 2: Convert to fraction form
    102,002.15/153,003.23 = 42,904.55/x
  3. Step 3: Cross multiply
    102,002.15x = 153,003.23 × 42,904.55
  4. Step 4: Simplify right side
    102,002.15x = 6,564,534,517.17
  5. Step 5: Solve for x
    x = 6,564,534,517.17/102,002.15
  6. Step 6: Final answer
    x = 64,356.83

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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.