Home / 130,552.81-180,161.34-73,191.85

Finding the Fourth Proportional to 130,552.81, 180,161.34 and 73,191.85

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Solution

The fourth proportional to 130,552.81, 180,161.34 and 73,191.85 is: 101,003.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,552.81 : 180,161.34 = 73,191.85 : x
  2. Step 2: Convert to fraction form
    130,552.81/180,161.34 = 73,191.85/x
  3. Step 3: Cross multiply
    130,552.81x = 180,161.34 × 73,191.85
  4. Step 4: Simplify right side
    130,552.81x = 13,186,341,773.08
  5. Step 5: Solve for x
    x = 13,186,341,773.08/130,552.81
  6. Step 6: Final answer
    x = 101,003.89

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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.