Home / 129,820.32-179,159.04-73,230.48

Finding the Fourth Proportional to 129,820.32, 179,159.04 and 73,230.48

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Solution

The fourth proportional to 129,820.32, 179,159.04 and 73,230.48 is: 101,062.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,820.32 : 179,159.04 = 73,230.48 : x
  2. Step 2: Convert to fraction form
    129,820.32/179,159.04 = 73,230.48/x
  3. Step 3: Cross multiply
    129,820.32x = 179,159.04 × 73,230.48
  4. Step 4: Simplify right side
    129,820.32x = 13,119,902,495.54
  5. Step 5: Solve for x
    x = 13,119,902,495.54/129,820.32
  6. Step 6: Final answer
    x = 101,062.01

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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.