Home / 103,660.43-154,681.88-92,490.30

Finding the Fourth Proportional to 103,660.43, 154,681.88 and 92,490.30

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Solution

The fourth proportional to 103,660.43, 154,681.88 and 92,490.30 is: 138,013.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,660.43 : 154,681.88 = 92,490.30 : x
  2. Step 2: Convert to fraction form
    103,660.43/154,681.88 = 92,490.30/x
  3. Step 3: Cross multiply
    103,660.43x = 154,681.88 × 92,490.30
  4. Step 4: Simplify right side
    103,660.43x = 14,306,573,023.31
  5. Step 5: Solve for x
    x = 14,306,573,023.31/103,660.43
  6. Step 6: Final answer
    x = 138,013.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.