Home / 153,905.98-230,877.36-145,507.90

Finding the Fourth Proportional to 153,905.98, 230,877.36 and 145,507.90

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Solution

The fourth proportional to 153,905.98, 230,877.36 and 145,507.90 is: 218,279.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,905.98 : 230,877.36 = 145,507.90 : x
  2. Step 2: Convert to fraction form
    153,905.98/230,877.36 = 145,507.90/x
  3. Step 3: Cross multiply
    153,905.98x = 230,877.36 × 145,507.90
  4. Step 4: Simplify right side
    153,905.98x = 33,594,479,811.14
  5. Step 5: Solve for x
    x = 33,594,479,811.14/153,905.98
  6. Step 6: Final answer
    x = 218,279.24

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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.