Home / 142,461.08-213,612.74-58,280.38

Finding the Fourth Proportional to 142,461.08, 213,612.74 and 58,280.38

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Solution

The fourth proportional to 142,461.08, 213,612.74 and 58,280.38 is: 87,388.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,461.08 : 213,612.74 = 58,280.38 : x
  2. Step 2: Convert to fraction form
    142,461.08/213,612.74 = 58,280.38/x
  3. Step 3: Cross multiply
    142,461.08x = 213,612.74 × 58,280.38
  4. Step 4: Simplify right side
    142,461.08x = 12,449,431,660.04
  5. Step 5: Solve for x
    x = 12,449,431,660.04/142,461.08
  6. Step 6: Final answer
    x = 87,388.30

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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.