Home / 126,047.90-188,841.45-102,547.10

Finding the Fourth Proportional to 126,047.90, 188,841.45 and 102,547.10

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Solution

The fourth proportional to 126,047.90, 188,841.45 and 102,547.10 is: 153,633.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,047.90 : 188,841.45 = 102,547.10 : x
  2. Step 2: Convert to fraction form
    126,047.90/188,841.45 = 102,547.10/x
  3. Step 3: Cross multiply
    126,047.90x = 188,841.45 × 102,547.10
  4. Step 4: Simplify right side
    126,047.90x = 19,365,143,057.30
  5. Step 5: Solve for x
    x = 19,365,143,057.30/126,047.90
  6. Step 6: Final answer
    x = 153,633.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.