Home / 143,592.04-198,158.90-79,068.84

Finding the Fourth Proportional to 143,592.04, 198,158.90 and 79,068.84

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Solution

The fourth proportional to 143,592.04, 198,158.90 and 79,068.84 is: 109,116.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,592.04 : 198,158.90 = 79,068.84 : x
  2. Step 2: Convert to fraction form
    143,592.04/198,158.90 = 79,068.84/x
  3. Step 3: Cross multiply
    143,592.04x = 198,158.90 × 79,068.84
  4. Step 4: Simplify right side
    143,592.04x = 15,668,194,358.68
  5. Step 5: Solve for x
    x = 15,668,194,358.68/143,592.04
  6. Step 6: Final answer
    x = 109,116.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.