Home / 180,764.65-249,456.81-100,193.14

Finding the Fourth Proportional to 180,764.65, 249,456.81 and 100,193.14

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Solution

The fourth proportional to 180,764.65, 249,456.81 and 100,193.14 is: 138,267.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,764.65 : 249,456.81 = 100,193.14 : x
  2. Step 2: Convert to fraction form
    180,764.65/249,456.81 = 100,193.14/x
  3. Step 3: Cross multiply
    180,764.65x = 249,456.81 × 100,193.14
  4. Step 4: Simplify right side
    180,764.65x = 24,993,861,088.28
  5. Step 5: Solve for x
    x = 24,993,861,088.28/180,764.65
  6. Step 6: Final answer
    x = 138,267.42

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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.