Home / 153,972.70-230,843.85-83,931.10

Finding the Fourth Proportional to 153,972.70, 230,843.85 and 83,931.10

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Solution

The fourth proportional to 153,972.70, 230,843.85 and 83,931.10 is: 125,833.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,972.70 : 230,843.85 = 83,931.10 : x
  2. Step 2: Convert to fraction form
    153,972.70/230,843.85 = 83,931.10/x
  3. Step 3: Cross multiply
    153,972.70x = 230,843.85 × 83,931.10
  4. Step 4: Simplify right side
    153,972.70x = 19,374,978,258.74
  5. Step 5: Solve for x
    x = 19,374,978,258.74/153,972.70
  6. Step 6: Final answer
    x = 125,833.85

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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.