Home / 124,778.81-187,242.35-45,948.39

Finding the Fourth Proportional to 124,778.81, 187,242.35 and 45,948.39

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Solution

The fourth proportional to 124,778.81, 187,242.35 and 45,948.39 is: 68,949.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,778.81 : 187,242.35 = 45,948.39 : x
  2. Step 2: Convert to fraction form
    124,778.81/187,242.35 = 45,948.39/x
  3. Step 3: Cross multiply
    124,778.81x = 187,242.35 × 45,948.39
  4. Step 4: Simplify right side
    124,778.81x = 8,603,484,292.57
  5. Step 5: Solve for x
    x = 8,603,484,292.57/124,778.81
  6. Step 6: Final answer
    x = 68,949.89

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1.5x scale

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.