Home / 180,801.54-249,504.95-100,229.04

Finding the Fourth Proportional to 180,801.54, 249,504.95 and 100,229.04

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Solution

The fourth proportional to 180,801.54, 249,504.95 and 100,229.04 is: 138,315.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,801.54 : 249,504.95 = 100,229.04 : x
  2. Step 2: Convert to fraction form
    180,801.54/249,504.95 = 100,229.04/x
  3. Step 3: Cross multiply
    180,801.54x = 249,504.95 × 100,229.04
  4. Step 4: Simplify right side
    180,801.54x = 25,007,641,864.32
  5. Step 5: Solve for x
    x = 25,007,641,864.32/180,801.54
  6. Step 6: Final answer
    x = 138,315.43

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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.