Home / 112,573.20-155,351.33-62,272.20

Finding the Fourth Proportional to 112,573.20, 155,351.33 and 62,272.20

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Solution

The fourth proportional to 112,573.20, 155,351.33 and 62,272.20 is: 85,935.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,573.20 : 155,351.33 = 62,272.20 : x
  2. Step 2: Convert to fraction form
    112,573.20/155,351.33 = 62,272.20/x
  3. Step 3: Cross multiply
    112,573.20x = 155,351.33 × 62,272.20
  4. Step 4: Simplify right side
    112,573.20x = 9,674,069,092.03
  5. Step 5: Solve for x
    x = 9,674,069,092.03/112,573.20
  6. Step 6: Final answer
    x = 85,935.81

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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.