Home / 87,253.02-130,944.66-64,815.51

Finding the Fourth Proportional to 87,253.02, 130,944.66 and 64,815.51

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Solution

The fourth proportional to 87,253.02, 130,944.66 and 64,815.51 is: 97,271.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,253.02 : 130,944.66 = 64,815.51 : x
  2. Step 2: Convert to fraction form
    87,253.02/130,944.66 = 64,815.51/x
  3. Step 3: Cross multiply
    87,253.02x = 130,944.66 × 64,815.51
  4. Step 4: Simplify right side
    87,253.02x = 8,487,244,919.68
  5. Step 5: Solve for x
    x = 8,487,244,919.68/87,253.02
  6. Step 6: Final answer
    x = 97,271.65

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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.