Home / 87,145.72-130,704.86-23,970.58

Finding the Fourth Proportional to 87,145.72, 130,704.86 and 23,970.58

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Solution

The fourth proportional to 87,145.72, 130,704.86 and 23,970.58 is: 35,952.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,145.72 : 130,704.86 = 23,970.58 : x
  2. Step 2: Convert to fraction form
    87,145.72/130,704.86 = 23,970.58/x
  3. Step 3: Cross multiply
    87,145.72x = 130,704.86 × 23,970.58
  4. Step 4: Simplify right side
    87,145.72x = 3,133,071,303.02
  5. Step 5: Solve for x
    x = 3,133,071,303.02/87,145.72
  6. Step 6: Final answer
    x = 35,952.10

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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.