Home / 148,895.46-205,488.33-81,841.38

Finding the Fourth Proportional to 148,895.46, 205,488.33 and 81,841.38

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Solution

The fourth proportional to 148,895.46, 205,488.33 and 81,841.38 is: 112,948.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,895.46 : 205,488.33 = 81,841.38 : x
  2. Step 2: Convert to fraction form
    148,895.46/205,488.33 = 81,841.38/x
  3. Step 3: Cross multiply
    148,895.46x = 205,488.33 × 81,841.38
  4. Step 4: Simplify right side
    148,895.46x = 16,817,448,501.10
  5. Step 5: Solve for x
    x = 16,817,448,501.10/148,895.46
  6. Step 6: Final answer
    x = 112,948.03

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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.