Home / 119,778.72-179,681.88-39,823.80

Finding the Fourth Proportional to 119,778.72, 179,681.88 and 39,823.80

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Solution

The fourth proportional to 119,778.72, 179,681.88 and 39,823.80 is: 59,740.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,778.72 : 179,681.88 = 39,823.80 : x
  2. Step 2: Convert to fraction form
    119,778.72/179,681.88 = 39,823.80/x
  3. Step 3: Cross multiply
    119,778.72x = 179,681.88 × 39,823.80
  4. Step 4: Simplify right side
    119,778.72x = 7,155,615,252.74
  5. Step 5: Solve for x
    x = 7,155,615,252.74/119,778.72
  6. Step 6: Final answer
    x = 59,740.29

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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.