Home / 180,694.79-249,358.57-100,127.53

Finding the Fourth Proportional to 180,694.79, 249,358.57 and 100,127.53

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Solution

The fourth proportional to 180,694.79, 249,358.57 and 100,127.53 is: 138,175.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,694.79 : 249,358.57 = 100,127.53 : x
  2. Step 2: Convert to fraction form
    180,694.79/249,358.57 = 100,127.53/x
  3. Step 3: Cross multiply
    180,694.79x = 249,358.57 × 100,127.53
  4. Step 4: Simplify right side
    180,694.79x = 24,967,657,197.79
  5. Step 5: Solve for x
    x = 24,967,657,197.79/180,694.79
  6. Step 6: Final answer
    x = 138,175.86

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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.