Home / 99,097.31-148,668.66-42,946.85

Finding the Fourth Proportional to 99,097.31, 148,668.66 and 42,946.85

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Solution

The fourth proportional to 99,097.31, 148,668.66 and 42,946.85 is: 64,430.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,097.31 : 148,668.66 = 42,946.85 : x
  2. Step 2: Convert to fraction form
    99,097.31/148,668.66 = 42,946.85/x
  3. Step 3: Cross multiply
    99,097.31x = 148,668.66 × 42,946.85
  4. Step 4: Simplify right side
    99,097.31x = 6,384,849,897.38
  5. Step 5: Solve for x
    x = 6,384,849,897.38/99,097.31
  6. Step 6: Final answer
    x = 64,430.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.