Home / 180,930.12-249,520.14-112,953.39

Finding the Fourth Proportional to 180,930.12, 249,520.14 and 112,953.39

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Solution

The fourth proportional to 180,930.12, 249,520.14 and 112,953.39 is: 155,773.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,930.12 : 249,520.14 = 112,953.39 : x
  2. Step 2: Convert to fraction form
    180,930.12/249,520.14 = 112,953.39/x
  3. Step 3: Cross multiply
    180,930.12x = 249,520.14 × 112,953.39
  4. Step 4: Simplify right side
    180,930.12x = 28,184,145,686.27
  5. Step 5: Solve for x
    x = 28,184,145,686.27/180,930.12
  6. Step 6: Final answer
    x = 155,773.65

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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.