Home / 130,550.81-180,158.58-73,189.85

Finding the Fourth Proportional to 130,550.81, 180,158.58 and 73,189.85

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Solution

The fourth proportional to 130,550.81, 180,158.58 and 73,189.85 is: 101,001.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,550.81 : 180,158.58 = 73,189.85 : x
  2. Step 2: Convert to fraction form
    130,550.81/180,158.58 = 73,189.85/x
  3. Step 3: Cross multiply
    130,550.81x = 180,158.58 × 73,189.85
  4. Step 4: Simplify right side
    130,550.81x = 13,185,778,545.62
  5. Step 5: Solve for x
    x = 13,185,778,545.62/130,550.81
  6. Step 6: Final answer
    x = 101,001.13

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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.