Home / 125,237.08-187,867.20-45,295

Finding the Fourth Proportional to 125,237.08, 187,867.20 and 45,295

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Solution

The fourth proportional to 125,237.08, 187,867.20 and 45,295 is: 67,946.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,237.08 : 187,867.20 = 45,295 : x
  2. Step 2: Convert to fraction form
    125,237.08/187,867.20 = 45,295/x
  3. Step 3: Cross multiply
    125,237.08x = 187,867.20 × 45,295
  4. Step 4: Simplify right side
    125,237.08x = 8,509,444,824.00
  5. Step 5: Solve for x
    x = 8,509,444,824.00/125,237.08
  6. Step 6: Final answer
    x = 67,946.69

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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.