Home / 180,832.52-249,538.80-100,255.28

Finding the Fourth Proportional to 180,832.52, 249,538.80 and 100,255.28

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Solution

The fourth proportional to 180,832.52, 249,538.80 and 100,255.28 is: 138,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,832.52 : 249,538.80 = 100,255.28 : x
  2. Step 2: Convert to fraction form
    180,832.52/249,538.80 = 100,255.28/x
  3. Step 3: Cross multiply
    180,832.52x = 249,538.80 × 100,255.28
  4. Step 4: Simplify right side
    180,832.52x = 25,017,582,264.86
  5. Step 5: Solve for x
    x = 25,017,582,264.86/180,832.52
  6. Step 6: Final answer
    x = 138,346.70

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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.