Home / 180,694.29-249,357.88-100,127.03

Finding the Fourth Proportional to 180,694.29, 249,357.88 and 100,127.03

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Solution

The fourth proportional to 180,694.29, 249,357.88 and 100,127.03 is: 138,175.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,694.29 : 249,357.88 = 100,127.03 : x
  2. Step 2: Convert to fraction form
    180,694.29/249,357.88 = 100,127.03/x
  3. Step 3: Cross multiply
    180,694.29x = 249,357.88 × 100,127.03
  4. Step 4: Simplify right side
    180,694.29x = 24,967,463,430.86
  5. Step 5: Solve for x
    x = 24,967,463,430.86/180,694.29
  6. Step 6: Final answer
    x = 138,175.17

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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.