Home / 124,913.47-187,238.98-45,977.35

Finding the Fourth Proportional to 124,913.47, 187,238.98 and 45,977.35

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Solution

The fourth proportional to 124,913.47, 187,238.98 and 45,977.35 is: 68,917.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,913.47 : 187,238.98 = 45,977.35 : x
  2. Step 2: Convert to fraction form
    124,913.47/187,238.98 = 45,977.35/x
  3. Step 3: Cross multiply
    124,913.47x = 187,238.98 × 45,977.35
  4. Step 4: Simplify right side
    124,913.47x = 8,608,752,117.10
  5. Step 5: Solve for x
    x = 8,608,752,117.10/124,913.47
  6. Step 6: Final answer
    x = 68,917.72

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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.