Home / 236,741.20-326,702.50-129,311.24

Finding the Fourth Proportional to 236,741.20, 326,702.50 and 129,311.24

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Solution

The fourth proportional to 236,741.20, 326,702.50 and 129,311.24 is: 178,449.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,741.20 : 326,702.50 = 129,311.24 : x
  2. Step 2: Convert to fraction form
    236,741.20/326,702.50 = 129,311.24/x
  3. Step 3: Cross multiply
    236,741.20x = 326,702.50 × 129,311.24
  4. Step 4: Simplify right side
    236,741.20x = 42,246,305,386.10
  5. Step 5: Solve for x
    x = 42,246,305,386.10/236,741.20
  6. Step 6: Final answer
    x = 178,449.32

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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.