Home / 180,513.42-249,117.71-99,949.82

Finding the Fourth Proportional to 180,513.42, 249,117.71 and 99,949.82

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Solution

The fourth proportional to 180,513.42, 249,117.71 and 99,949.82 is: 137,935.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,513.42 : 249,117.71 = 99,949.82 : x
  2. Step 2: Convert to fraction form
    180,513.42/249,117.71 = 99,949.82/x
  3. Step 3: Cross multiply
    180,513.42x = 249,117.71 × 99,949.82
  4. Step 4: Simplify right side
    180,513.42x = 24,899,268,527.97
  5. Step 5: Solve for x
    x = 24,899,268,527.97/180,513.42
  6. Step 6: Final answer
    x = 137,935.83

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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.