Home / 180,764.46-249,437.43-100,190.34

Finding the Fourth Proportional to 180,764.46, 249,437.43 and 100,190.34

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Solution

The fourth proportional to 180,764.46, 249,437.43 and 100,190.34 is: 138,252.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,764.46 : 249,437.43 = 100,190.34 : x
  2. Step 2: Convert to fraction form
    180,764.46/249,437.43 = 100,190.34/x
  3. Step 3: Cross multiply
    180,764.46x = 249,437.43 × 100,190.34
  4. Step 4: Simplify right side
    180,764.46x = 24,991,220,920.43
  5. Step 5: Solve for x
    x = 24,991,220,920.43/180,764.46
  6. Step 6: Final answer
    x = 138,252.96

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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.