Home / 180,884.04-249,620.52-100,319

Finding the Fourth Proportional to 180,884.04, 249,620.52 and 100,319

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Solution

The fourth proportional to 180,884.04, 249,620.52 and 100,319 is: 138,440.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,884.04 : 249,620.52 = 100,319 : x
  2. Step 2: Convert to fraction form
    180,884.04/249,620.52 = 100,319/x
  3. Step 3: Cross multiply
    180,884.04x = 249,620.52 × 100,319
  4. Step 4: Simplify right side
    180,884.04x = 25,041,680,945.88
  5. Step 5: Solve for x
    x = 25,041,680,945.88/180,884.04
  6. Step 6: Final answer
    x = 138,440.52

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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.