Home / 112,239.12-168,385.44-42,119.04

Finding the Fourth Proportional to 112,239.12, 168,385.44 and 42,119.04

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Solution

The fourth proportional to 112,239.12, 168,385.44 and 42,119.04 is: 63,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,239.12 : 168,385.44 = 42,119.04 : x
  2. Step 2: Convert to fraction form
    112,239.12/168,385.44 = 42,119.04/x
  3. Step 3: Cross multiply
    112,239.12x = 168,385.44 × 42,119.04
  4. Step 4: Simplify right side
    112,239.12x = 7,092,233,082.78
  5. Step 5: Solve for x
    x = 7,092,233,082.78/112,239.12
  6. Step 6: Final answer
    x = 63,188.60

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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.