Home / 180,956.31-249,699.57-100,363.65

Finding the Fourth Proportional to 180,956.31, 249,699.57 and 100,363.65

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Solution

The fourth proportional to 180,956.31, 249,699.57 and 100,363.65 is: 138,490.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,956.31 : 249,699.57 = 100,363.65 : x
  2. Step 2: Convert to fraction form
    180,956.31/249,699.57 = 100,363.65/x
  3. Step 3: Cross multiply
    180,956.31x = 249,699.57 × 100,363.65
  4. Step 4: Simplify right side
    180,956.31x = 25,060,760,248.63
  5. Step 5: Solve for x
    x = 25,060,760,248.63/180,956.31
  6. Step 6: Final answer
    x = 138,490.67

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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.