Home / 130,318.96-179,841.18-76,606.24

Finding the Fourth Proportional to 130,318.96, 179,841.18 and 76,606.24

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Solution

The fourth proportional to 130,318.96, 179,841.18 and 76,606.24 is: 105,717.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,318.96 : 179,841.18 = 76,606.24 : x
  2. Step 2: Convert to fraction form
    130,318.96/179,841.18 = 76,606.24/x
  3. Step 3: Cross multiply
    130,318.96x = 179,841.18 × 76,606.24
  4. Step 4: Simplify right side
    130,318.96x = 13,776,956,596.96
  5. Step 5: Solve for x
    x = 13,776,956,596.96/130,318.96
  6. Step 6: Final answer
    x = 105,717.21

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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.