Home / 212,116.52-292,703.37-124,887.75

Finding the Fourth Proportional to 212,116.52, 292,703.37 and 124,887.75

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Solution

The fourth proportional to 212,116.52, 292,703.37 and 124,887.75 is: 172,334.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,116.52 : 292,703.37 = 124,887.75 : x
  2. Step 2: Convert to fraction form
    212,116.52/292,703.37 = 124,887.75/x
  3. Step 3: Cross multiply
    212,116.52x = 292,703.37 × 124,887.75
  4. Step 4: Simplify right side
    212,116.52x = 36,555,065,296.72
  5. Step 5: Solve for x
    x = 36,555,065,296.72/212,116.52
  6. Step 6: Final answer
    x = 172,334.83

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1.5x scale

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.