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Finding the Fourth Proportional to 180,509.07, 249,104.49 and 99,937.92

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Solution

The fourth proportional to 180,509.07, 249,104.49 and 99,937.92 is: 137,915.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,509.07 : 249,104.49 = 99,937.92 : x
  2. Step 2: Convert to fraction form
    180,509.07/249,104.49 = 99,937.92/x
  3. Step 3: Cross multiply
    180,509.07x = 249,104.49 × 99,937.92
  4. Step 4: Simplify right side
    180,509.07x = 24,894,984,593.26
  5. Step 5: Solve for x
    x = 24,894,984,593.26/180,509.07
  6. Step 6: Final answer
    x = 137,915.42

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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.