Home / 137,222.10-205,833.15-127,890.90

Finding the Fourth Proportional to 137,222.10, 205,833.15 and 127,890.90

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Solution

The fourth proportional to 137,222.10, 205,833.15 and 127,890.90 is: 191,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,222.10 : 205,833.15 = 127,890.90 : x
  2. Step 2: Convert to fraction form
    137,222.10/205,833.15 = 127,890.90/x
  3. Step 3: Cross multiply
    137,222.10x = 205,833.15 × 127,890.90
  4. Step 4: Simplify right side
    137,222.10x = 26,324,186,803.34
  5. Step 5: Solve for x
    x = 26,324,186,803.34/137,222.10
  6. Step 6: Final answer
    x = 191,836.35

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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.