Home / 87,142.14-130,710.47-24,812.64

Finding the Fourth Proportional to 87,142.14, 130,710.47 and 24,812.64

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Solution

The fourth proportional to 87,142.14, 130,710.47 and 24,812.64 is: 37,218.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,142.14 : 130,710.47 = 24,812.64 : x
  2. Step 2: Convert to fraction form
    87,142.14/130,710.47 = 24,812.64/x
  3. Step 3: Cross multiply
    87,142.14x = 130,710.47 × 24,812.64
  4. Step 4: Simplify right side
    87,142.14x = 3,243,271,712.28
  5. Step 5: Solve for x
    x = 3,243,271,712.28/87,142.14
  6. Step 6: Final answer
    x = 37,218.18

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1.5x scale

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.