Home / 130,204.74-179,685.90-72,842.16

Finding the Fourth Proportional to 130,204.74, 179,685.90 and 72,842.16

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Solution

The fourth proportional to 130,204.74, 179,685.90 and 72,842.16 is: 100,524.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,204.74 : 179,685.90 = 72,842.16 : x
  2. Step 2: Convert to fraction form
    130,204.74/179,685.90 = 72,842.16/x
  3. Step 3: Cross multiply
    130,204.74x = 179,685.90 × 72,842.16
  4. Step 4: Simplify right side
    130,204.74x = 13,088,709,077.54
  5. Step 5: Solve for x
    x = 13,088,709,077.54/130,204.74
  6. Step 6: Final answer
    x = 100,524.06

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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.