Home / 180,712.76-249,385.08-100,141.64

Finding the Fourth Proportional to 180,712.76, 249,385.08 and 100,141.64

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Solution

The fourth proportional to 180,712.76, 249,385.08 and 100,141.64 is: 138,196.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,712.76 : 249,385.08 = 100,141.64 : x
  2. Step 2: Convert to fraction form
    180,712.76/249,385.08 = 100,141.64/x
  3. Step 3: Cross multiply
    180,712.76x = 249,385.08 × 100,141.64
  4. Step 4: Simplify right side
    180,712.76x = 24,973,830,902.73
  5. Step 5: Solve for x
    x = 24,973,830,902.73/180,712.76
  6. Step 6: Final answer
    x = 138,196.28

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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.