Home / 180,812.20-249,526.90-100,234.92

Finding the Fourth Proportional to 180,812.20, 249,526.90 and 100,234.92

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Solution

The fourth proportional to 180,812.20, 249,526.90 and 100,234.92 is: 138,327.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,812.20 : 249,526.90 = 100,234.92 : x
  2. Step 2: Convert to fraction form
    180,812.20/249,526.90 = 100,234.92/x
  3. Step 3: Cross multiply
    180,812.20x = 249,526.90 × 100,234.92
  4. Step 4: Simplify right side
    180,812.20x = 25,011,308,798.69
  5. Step 5: Solve for x
    x = 25,011,308,798.69/180,812.20
  6. Step 6: Final answer
    x = 138,327.55

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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.