Home / 147,601.40-221,402.10-84,397.10

Finding the Fourth Proportional to 147,601.40, 221,402.10 and 84,397.10

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Solution

The fourth proportional to 147,601.40, 221,402.10 and 84,397.10 is: 126,595.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,601.40 : 221,402.10 = 84,397.10 : x
  2. Step 2: Convert to fraction form
    147,601.40/221,402.10 = 84,397.10/x
  3. Step 3: Cross multiply
    147,601.40x = 221,402.10 × 84,397.10
  4. Step 4: Simplify right side
    147,601.40x = 18,685,695,173.91
  5. Step 5: Solve for x
    x = 18,685,695,173.91/147,601.40
  6. Step 6: Final answer
    x = 126,595.65

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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.