Home / 180,613.14-249,244.70-100,045.68

Finding the Fourth Proportional to 180,613.14, 249,244.70 and 100,045.68

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Solution

The fourth proportional to 180,613.14, 249,244.70 and 100,045.68 is: 138,062.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,613.14 : 249,244.70 = 100,045.68 : x
  2. Step 2: Convert to fraction form
    180,613.14/249,244.70 = 100,045.68/x
  3. Step 3: Cross multiply
    180,613.14x = 249,244.70 × 100,045.68
  4. Step 4: Simplify right side
    180,613.14x = 24,935,855,497.90
  5. Step 5: Solve for x
    x = 24,935,855,497.90/180,613.14
  6. Step 6: Final answer
    x = 138,062.24

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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.