Home / 109,019.62-163,430.40-38,882.53

Finding the Fourth Proportional to 109,019.62, 163,430.40 and 38,882.53

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Solution

The fourth proportional to 109,019.62, 163,430.40 and 38,882.53 is: 58,288.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,019.62 : 163,430.40 = 38,882.53 : x
  2. Step 2: Convert to fraction form
    109,019.62/163,430.40 = 38,882.53/x
  3. Step 3: Cross multiply
    109,019.62x = 163,430.40 × 38,882.53
  4. Step 4: Simplify right side
    109,019.62x = 6,354,586,613.76
  5. Step 5: Solve for x
    x = 6,354,586,613.76/109,019.62
  6. Step 6: Final answer
    x = 58,288.47

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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.