Home / 124,679.25-187,295.70-77,329.35

Finding the Fourth Proportional to 124,679.25, 187,295.70 and 77,329.35

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Solution

The fourth proportional to 124,679.25, 187,295.70 and 77,329.35 is: 116,165.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,679.25 : 187,295.70 = 77,329.35 : x
  2. Step 2: Convert to fraction form
    124,679.25/187,295.70 = 77,329.35/x
  3. Step 3: Cross multiply
    124,679.25x = 187,295.70 × 77,329.35
  4. Step 4: Simplify right side
    124,679.25x = 14,483,455,441.15
  5. Step 5: Solve for x
    x = 14,483,455,441.15/124,679.25
  6. Step 6: Final answer
    x = 116,165.72

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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.