Home / 148,616.64-205,187.04-92,088

Finding the Fourth Proportional to 148,616.64, 205,187.04 and 92,088

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Solution

The fourth proportional to 148,616.64, 205,187.04 and 92,088 is: 127,140.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,616.64 : 205,187.04 = 92,088 : x
  2. Step 2: Convert to fraction form
    148,616.64/205,187.04 = 92,088/x
  3. Step 3: Cross multiply
    148,616.64x = 205,187.04 × 92,088
  4. Step 4: Simplify right side
    148,616.64x = 18,895,264,139.52
  5. Step 5: Solve for x
    x = 18,895,264,139.52/148,616.64
  6. Step 6: Final answer
    x = 127,140.97

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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.