Home / 112,156.74-154,737.22-71,892.71

Finding the Fourth Proportional to 112,156.74, 154,737.22 and 71,892.71

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Solution

The fourth proportional to 112,156.74, 154,737.22 and 71,892.71 is: 99,186.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,156.74 : 154,737.22 = 71,892.71 : x
  2. Step 2: Convert to fraction form
    112,156.74/154,737.22 = 71,892.71/x
  3. Step 3: Cross multiply
    112,156.74x = 154,737.22 × 71,892.71
  4. Step 4: Simplify right side
    112,156.74x = 11,124,478,083.67
  5. Step 5: Solve for x
    x = 11,124,478,083.67/112,156.74
  6. Step 6: Final answer
    x = 99,186.89

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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.