Home / 124,881.40-187,322.10-36,137.80

Finding the Fourth Proportional to 124,881.40, 187,322.10 and 36,137.80

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Solution

The fourth proportional to 124,881.40, 187,322.10 and 36,137.80 is: 54,206.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,881.40 : 187,322.10 = 36,137.80 : x
  2. Step 2: Convert to fraction form
    124,881.40/187,322.10 = 36,137.80/x
  3. Step 3: Cross multiply
    124,881.40x = 187,322.10 × 36,137.80
  4. Step 4: Simplify right side
    124,881.40x = 6,769,408,585.38
  5. Step 5: Solve for x
    x = 6,769,408,585.38/124,881.40
  6. Step 6: Final answer
    x = 54,206.70

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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.