Home / 119,938.60-179,619.90-64,412.20

Finding the Fourth Proportional to 119,938.60, 179,619.90 and 64,412.20

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Solution

The fourth proportional to 119,938.60, 179,619.90 and 64,412.20 is: 96,463.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,938.60 : 179,619.90 = 64,412.20 : x
  2. Step 2: Convert to fraction form
    119,938.60/179,619.90 = 64,412.20/x
  3. Step 3: Cross multiply
    119,938.60x = 179,619.90 × 64,412.20
  4. Step 4: Simplify right side
    119,938.60x = 11,569,712,922.78
  5. Step 5: Solve for x
    x = 11,569,712,922.78/119,938.60
  6. Step 6: Final answer
    x = 96,463.63

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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.