Home / 207,742.41-286,620.80-127,085.85

Finding the Fourth Proportional to 207,742.41, 286,620.80 and 127,085.85

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Solution

The fourth proportional to 207,742.41, 286,620.80 and 127,085.85 is: 175,339.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,742.41 : 286,620.80 = 127,085.85 : x
  2. Step 2: Convert to fraction form
    207,742.41/286,620.80 = 127,085.85/x
  3. Step 3: Cross multiply
    207,742.41x = 286,620.80 × 127,085.85
  4. Step 4: Simplify right side
    207,742.41x = 36,425,447,360.25
  5. Step 5: Solve for x
    x = 36,425,447,360.25/207,742.41
  6. Step 6: Final answer
    x = 175,339.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.