Home / 138,875.52-191,615.04-82,277.04

Finding the Fourth Proportional to 138,875.52, 191,615.04 and 82,277.04

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Solution

The fourth proportional to 138,875.52, 191,615.04 and 82,277.04 is: 113,522.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,875.52 : 191,615.04 = 82,277.04 : x
  2. Step 2: Convert to fraction form
    138,875.52/191,615.04 = 82,277.04/x
  3. Step 3: Cross multiply
    138,875.52x = 191,615.04 × 82,277.04
  4. Step 4: Simplify right side
    138,875.52x = 15,765,518,310.68
  5. Step 5: Solve for x
    x = 15,765,518,310.68/138,875.52
  6. Step 6: Final answer
    x = 113,522.66

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1.5x scale

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.