Home / 145,444.38-218,170.89-56,694.30

Finding the Fourth Proportional to 145,444.38, 218,170.89 and 56,694.30

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Solution

The fourth proportional to 145,444.38, 218,170.89 and 56,694.30 is: 85,043.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,444.38 : 218,170.89 = 56,694.30 : x
  2. Step 2: Convert to fraction form
    145,444.38/218,170.89 = 56,694.30/x
  3. Step 3: Cross multiply
    145,444.38x = 218,170.89 × 56,694.30
  4. Step 4: Simplify right side
    145,444.38x = 12,369,045,888.93
  5. Step 5: Solve for x
    x = 12,369,045,888.93/145,444.38
  6. Step 6: Final answer
    x = 85,043.13

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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.