Home / 142,904.52-214,356.78-49,411.08

Finding the Fourth Proportional to 142,904.52, 214,356.78 and 49,411.08

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Solution

The fourth proportional to 142,904.52, 214,356.78 and 49,411.08 is: 74,116.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,904.52 : 214,356.78 = 49,411.08 : x
  2. Step 2: Convert to fraction form
    142,904.52/214,356.78 = 49,411.08/x
  3. Step 3: Cross multiply
    142,904.52x = 214,356.78 × 49,411.08
  4. Step 4: Simplify right side
    142,904.52x = 10,591,600,005.12
  5. Step 5: Solve for x
    x = 10,591,600,005.12/142,904.52
  6. Step 6: Final answer
    x = 74,116.62

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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.