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Finding the Fourth Proportional to 180,469.39, 249,044.74 and 99,895.19

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Solution

The fourth proportional to 180,469.39, 249,044.74 and 99,895.19 is: 137,853.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,469.39 : 249,044.74 = 99,895.19 : x
  2. Step 2: Convert to fraction form
    180,469.39/249,044.74 = 99,895.19/x
  3. Step 3: Cross multiply
    180,469.39x = 249,044.74 × 99,895.19
  4. Step 4: Simplify right side
    180,469.39x = 24,878,369,876.10
  5. Step 5: Solve for x
    x = 24,878,369,876.10/180,469.39
  6. Step 6: Final answer
    x = 137,853.69

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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.