Home / 153,947.60-230,921.40-134,901.20

Finding the Fourth Proportional to 153,947.60, 230,921.40 and 134,901.20

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Solution

The fourth proportional to 153,947.60, 230,921.40 and 134,901.20 is: 202,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,947.60 : 230,921.40 = 134,901.20 : x
  2. Step 2: Convert to fraction form
    153,947.60/230,921.40 = 134,901.20/x
  3. Step 3: Cross multiply
    153,947.60x = 230,921.40 × 134,901.20
  4. Step 4: Simplify right side
    153,947.60x = 31,151,573,965.68
  5. Step 5: Solve for x
    x = 31,151,573,965.68/153,947.60
  6. Step 6: Final answer
    x = 202,351.80

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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.