Home / 195,123.84-292,484.88-76,747.20

Finding the Fourth Proportional to 195,123.84, 292,484.88 and 76,747.20

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Solution

The fourth proportional to 195,123.84, 292,484.88 and 76,747.20 is: 115,041.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,123.84 : 292,484.88 = 76,747.20 : x
  2. Step 2: Convert to fraction form
    195,123.84/292,484.88 = 76,747.20/x
  3. Step 3: Cross multiply
    195,123.84x = 292,484.88 × 76,747.20
  4. Step 4: Simplify right side
    195,123.84x = 22,447,395,582.34
  5. Step 5: Solve for x
    x = 22,447,395,582.34/195,123.84
  6. Step 6: Final answer
    x = 115,041.79

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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.