Home / 148,937.46-223,442.64-81,436.92

Finding the Fourth Proportional to 148,937.46, 223,442.64 and 81,436.92

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Solution

The fourth proportional to 148,937.46, 223,442.64 and 81,436.92 is: 122,175.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,937.46 : 223,442.64 = 81,436.92 : x
  2. Step 2: Convert to fraction form
    148,937.46/223,442.64 = 81,436.92/x
  3. Step 3: Cross multiply
    148,937.46x = 223,442.64 × 81,436.92
  4. Step 4: Simplify right side
    148,937.46x = 18,196,480,398.27
  5. Step 5: Solve for x
    x = 18,196,480,398.27/148,937.46
  6. Step 6: Final answer
    x = 122,175.31

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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.