Home / 145,657.12-218,538-50,901.04

Finding the Fourth Proportional to 145,657.12, 218,538 and 50,901.04

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Solution

The fourth proportional to 145,657.12, 218,538 and 50,901.04 is: 76,369.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,657.12 : 218,538 = 50,901.04 : x
  2. Step 2: Convert to fraction form
    145,657.12/218,538 = 50,901.04/x
  3. Step 3: Cross multiply
    145,657.12x = 218,538 × 50,901.04
  4. Step 4: Simplify right side
    145,657.12x = 11,123,811,479.52
  5. Step 5: Solve for x
    x = 11,123,811,479.52/145,657.12
  6. Step 6: Final answer
    x = 76,369.84

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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.