Home / 153,744.24-212,167.36-85,759.47

Finding the Fourth Proportional to 153,744.24, 212,167.36 and 85,759.47

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Solution

The fourth proportional to 153,744.24, 212,167.36 and 85,759.47 is: 118,348.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,744.24 : 212,167.36 = 85,759.47 : x
  2. Step 2: Convert to fraction form
    153,744.24/212,167.36 = 85,759.47/x
  3. Step 3: Cross multiply
    153,744.24x = 212,167.36 × 85,759.47
  4. Step 4: Simplify right side
    153,744.24x = 18,195,359,528.44
  5. Step 5: Solve for x
    x = 18,195,359,528.44/153,744.24
  6. Step 6: Final answer
    x = 118,348.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.