Home / 155,189.67-232,747.60-42,867.40

Finding the Fourth Proportional to 155,189.67, 232,747.60 and 42,867.40

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Solution

The fourth proportional to 155,189.67, 232,747.60 and 42,867.40 is: 64,290.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,189.67 : 232,747.60 = 42,867.40 : x
  2. Step 2: Convert to fraction form
    155,189.67/232,747.60 = 42,867.40/x
  3. Step 3: Cross multiply
    155,189.67x = 232,747.60 × 42,867.40
  4. Step 4: Simplify right side
    155,189.67x = 9,977,284,468.24
  5. Step 5: Solve for x
    x = 9,977,284,468.24/155,189.67
  6. Step 6: Final answer
    x = 64,290.91

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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.