Home / 87,151.23-130,683.69-30,982.93

Finding the Fourth Proportional to 87,151.23, 130,683.69 and 30,982.93

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Solution

The fourth proportional to 87,151.23, 130,683.69 and 30,982.93 is: 46,459.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,151.23 : 130,683.69 = 30,982.93 : x
  2. Step 2: Convert to fraction form
    87,151.23/130,683.69 = 30,982.93/x
  3. Step 3: Cross multiply
    87,151.23x = 130,683.69 × 30,982.93
  4. Step 4: Simplify right side
    87,151.23x = 4,048,963,292.70
  5. Step 5: Solve for x
    x = 4,048,963,292.70/87,151.23
  6. Step 6: Final answer
    x = 46,459.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.