Home / 112,759.05-155,607.56-61,773.63

Finding the Fourth Proportional to 112,759.05, 155,607.56 and 61,773.63

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Solution

The fourth proportional to 112,759.05, 155,607.56 and 61,773.63 is: 85,247.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,759.05 : 155,607.56 = 61,773.63 : x
  2. Step 2: Convert to fraction form
    112,759.05/155,607.56 = 61,773.63/x
  3. Step 3: Cross multiply
    112,759.05x = 155,607.56 × 61,773.63
  4. Step 4: Simplify right side
    112,759.05x = 9,612,443,527.77
  5. Step 5: Solve for x
    x = 9,612,443,527.77/112,759.05
  6. Step 6: Final answer
    x = 85,247.65

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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.