Home / 178,496.16-246,581.04-142,639.20

Finding the Fourth Proportional to 178,496.16, 246,581.04 and 142,639.20

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Solution

The fourth proportional to 178,496.16, 246,581.04 and 142,639.20 is: 197,046.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,496.16 : 246,581.04 = 142,639.20 : x
  2. Step 2: Convert to fraction form
    178,496.16/246,581.04 = 142,639.20/x
  3. Step 3: Cross multiply
    178,496.16x = 246,581.04 × 142,639.20
  4. Step 4: Simplify right side
    178,496.16x = 35,172,122,280.77
  5. Step 5: Solve for x
    x = 35,172,122,280.77/178,496.16
  6. Step 6: Final answer
    x = 197,046.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.