Home / 145,557.24-218,335.85-40,376.21

Finding the Fourth Proportional to 145,557.24, 218,335.85 and 40,376.21

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Solution

The fourth proportional to 145,557.24, 218,335.85 and 40,376.21 is: 60,564.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,557.24 : 218,335.85 = 40,376.21 : x
  2. Step 2: Convert to fraction form
    145,557.24/218,335.85 = 40,376.21/x
  3. Step 3: Cross multiply
    145,557.24x = 218,335.85 × 40,376.21
  4. Step 4: Simplify right side
    145,557.24x = 8,815,572,836.57
  5. Step 5: Solve for x
    x = 8,815,572,836.57/145,557.24
  6. Step 6: Final answer
    x = 60,564.30

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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.