Home / 145,028.98-217,517.52-92,281.78

Finding the Fourth Proportional to 145,028.98, 217,517.52 and 92,281.78

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Solution

The fourth proportional to 145,028.98, 217,517.52 and 92,281.78 is: 138,406.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,028.98 : 217,517.52 = 92,281.78 : x
  2. Step 2: Convert to fraction form
    145,028.98/217,517.52 = 92,281.78/x
  3. Step 3: Cross multiply
    145,028.98x = 217,517.52 × 92,281.78
  4. Step 4: Simplify right side
    145,028.98x = 20,072,903,926.79
  5. Step 5: Solve for x
    x = 20,072,903,926.79/145,028.98
  6. Step 6: Final answer
    x = 138,406.16

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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.