Home / 153,923.20-230,769.60-83,881.60

Finding the Fourth Proportional to 153,923.20, 230,769.60 and 83,881.60

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Solution

The fourth proportional to 153,923.20, 230,769.60 and 83,881.60 is: 125,759.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,923.20 : 230,769.60 = 83,881.60 : x
  2. Step 2: Convert to fraction form
    153,923.20/230,769.60 = 83,881.60/x
  3. Step 3: Cross multiply
    153,923.20x = 230,769.60 × 83,881.60
  4. Step 4: Simplify right side
    153,923.20x = 19,357,323,279.36
  5. Step 5: Solve for x
    x = 19,357,323,279.36/153,923.20
  6. Step 6: Final answer
    x = 125,759.62

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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.