Home / 119,769.86-179,671.18-40,862.90

Finding the Fourth Proportional to 119,769.86, 179,671.18 and 40,862.90

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Solution

The fourth proportional to 119,769.86, 179,671.18 and 40,862.90 is: 61,299.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,769.86 : 179,671.18 = 40,862.90 : x
  2. Step 2: Convert to fraction form
    119,769.86/179,671.18 = 40,862.90/x
  3. Step 3: Cross multiply
    119,769.86x = 179,671.18 × 40,862.90
  4. Step 4: Simplify right side
    119,769.86x = 7,341,885,461.22
  5. Step 5: Solve for x
    x = 7,341,885,461.22/119,769.86
  6. Step 6: Final answer
    x = 61,299.94

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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.