Home / 112,425.35-155,149.02-61,440.24

Finding the Fourth Proportional to 112,425.35, 155,149.02 and 61,440.24

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Solution

The fourth proportional to 112,425.35, 155,149.02 and 61,440.24 is: 84,788.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,425.35 : 155,149.02 = 61,440.24 : x
  2. Step 2: Convert to fraction form
    112,425.35/155,149.02 = 61,440.24/x
  3. Step 3: Cross multiply
    112,425.35x = 155,149.02 × 61,440.24
  4. Step 4: Simplify right side
    112,425.35x = 9,532,393,024.56
  5. Step 5: Solve for x
    x = 9,532,393,024.56/112,425.35
  6. Step 6: Final answer
    x = 84,788.65

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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.