Home / 130,204.48-179,680.62-76,494.40

Finding the Fourth Proportional to 130,204.48, 179,680.62 and 76,494.40

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Solution

The fourth proportional to 130,204.48, 179,680.62 and 76,494.40 is: 105,561.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,204.48 : 179,680.62 = 76,494.40 : x
  2. Step 2: Convert to fraction form
    130,204.48/179,680.62 = 76,494.40/x
  3. Step 3: Cross multiply
    130,204.48x = 179,680.62 × 76,494.40
  4. Step 4: Simplify right side
    130,204.48x = 13,744,561,218.53
  5. Step 5: Solve for x
    x = 13,744,561,218.53/130,204.48
  6. Step 6: Final answer
    x = 105,561.35

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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.