Home / 99,068.84-148,488.80-45,649.14

Finding the Fourth Proportional to 99,068.84, 148,488.80 and 45,649.14

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Solution

The fourth proportional to 99,068.84, 148,488.80 and 45,649.14 is: 68,420.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,068.84 : 148,488.80 = 45,649.14 : x
  2. Step 2: Convert to fraction form
    99,068.84/148,488.80 = 45,649.14/x
  3. Step 3: Cross multiply
    99,068.84x = 148,488.80 × 45,649.14
  4. Step 4: Simplify right side
    99,068.84x = 6,778,385,791.39
  5. Step 5: Solve for x
    x = 6,778,385,791.39/99,068.84
  6. Step 6: Final answer
    x = 68,420.97

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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.