Home / 153,239.03-229,858.55-42,431.03

Finding the Fourth Proportional to 153,239.03, 229,858.55 and 42,431.03

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Solution

The fourth proportional to 153,239.03, 229,858.55 and 42,431.03 is: 63,646.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,239.03 : 229,858.55 = 42,431.03 : x
  2. Step 2: Convert to fraction form
    153,239.03/229,858.55 = 42,431.03/x
  3. Step 3: Cross multiply
    153,239.03x = 229,858.55 × 42,431.03
  4. Step 4: Simplify right side
    153,239.03x = 9,753,135,499.38
  5. Step 5: Solve for x
    x = 9,753,135,499.38/153,239.03
  6. Step 6: Final answer
    x = 63,646.55

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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.