Home / 180,440.20-249,106.98-135,102.16

Finding the Fourth Proportional to 180,440.20, 249,106.98 and 135,102.16

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Solution

The fourth proportional to 180,440.20, 249,106.98 and 135,102.16 is: 186,515.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,440.20 : 249,106.98 = 135,102.16 : x
  2. Step 2: Convert to fraction form
    180,440.20/249,106.98 = 135,102.16/x
  3. Step 3: Cross multiply
    180,440.20x = 249,106.98 × 135,102.16
  4. Step 4: Simplify right side
    180,440.20x = 33,654,891,069.08
  5. Step 5: Solve for x
    x = 33,654,891,069.08/180,440.20
  6. Step 6: Final answer
    x = 186,515.48

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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.