Home / 130,842.96-180,586.92-77,124.88

Finding the Fourth Proportional to 130,842.96, 180,586.92 and 77,124.88

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Solution

The fourth proportional to 130,842.96, 180,586.92 and 77,124.88 is: 106,446.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,842.96 : 180,586.92 = 77,124.88 : x
  2. Step 2: Convert to fraction form
    130,842.96/180,586.92 = 77,124.88/x
  3. Step 3: Cross multiply
    130,842.96x = 180,586.92 × 77,124.88
  4. Step 4: Simplify right side
    130,842.96x = 13,927,744,534.57
  5. Step 5: Solve for x
    x = 13,927,744,534.57/130,842.96
  6. Step 6: Final answer
    x = 106,446.27

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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.