Home / 158,008.32-218,197.80-101,518.92

Finding the Fourth Proportional to 158,008.32, 218,197.80 and 101,518.92

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Solution

The fourth proportional to 158,008.32, 218,197.80 and 101,518.92 is: 140,190.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,008.32 : 218,197.80 = 101,518.92 : x
  2. Step 2: Convert to fraction form
    158,008.32/218,197.80 = 101,518.92/x
  3. Step 3: Cross multiply
    158,008.32x = 218,197.80 × 101,518.92
  4. Step 4: Simplify right side
    158,008.32x = 22,151,205,002.38
  5. Step 5: Solve for x
    x = 22,151,205,002.38/158,008.32
  6. Step 6: Final answer
    x = 140,190.12

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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.