Home / 145,522.27-218,282.73-40,340.89

Finding the Fourth Proportional to 145,522.27, 218,282.73 and 40,340.89

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Solution

The fourth proportional to 145,522.27, 218,282.73 and 40,340.89 is: 60,511.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,522.27 : 218,282.73 = 40,340.89 : x
  2. Step 2: Convert to fraction form
    145,522.27/218,282.73 = 40,340.89/x
  3. Step 3: Cross multiply
    145,522.27x = 218,282.73 × 40,340.89
  4. Step 4: Simplify right side
    145,522.27x = 8,805,719,599.83
  5. Step 5: Solve for x
    x = 8,805,719,599.83/145,522.27
  6. Step 6: Final answer
    x = 60,511.15

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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.