Home / 148,646.08-205,073.20-84,949.71

Finding the Fourth Proportional to 148,646.08, 205,073.20 and 84,949.71

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Solution

The fourth proportional to 148,646.08, 205,073.20 and 84,949.71 is: 117,197.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,646.08 : 205,073.20 = 84,949.71 : x
  2. Step 2: Convert to fraction form
    148,646.08/205,073.20 = 84,949.71/x
  3. Step 3: Cross multiply
    148,646.08x = 205,073.20 × 84,949.71
  4. Step 4: Simplify right side
    148,646.08x = 17,420,908,868.77
  5. Step 5: Solve for x
    x = 17,420,908,868.77/148,646.08
  6. Step 6: Final answer
    x = 117,197.23

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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.