Home / 102,721.60-154,082.40-93,536.20

Finding the Fourth Proportional to 102,721.60, 154,082.40 and 93,536.20

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Solution

The fourth proportional to 102,721.60, 154,082.40 and 93,536.20 is: 140,304.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,721.60 : 154,082.40 = 93,536.20 : x
  2. Step 2: Convert to fraction form
    102,721.60/154,082.40 = 93,536.20/x
  3. Step 3: Cross multiply
    102,721.60x = 154,082.40 × 93,536.20
  4. Step 4: Simplify right side
    102,721.60x = 14,412,282,182.88
  5. Step 5: Solve for x
    x = 14,412,282,182.88/102,721.60
  6. Step 6: Final answer
    x = 140,304.30

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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.