Home / 115,315.28-172,661.40-59,794.64

Finding the Fourth Proportional to 115,315.28, 172,661.40 and 59,794.64

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Solution

The fourth proportional to 115,315.28, 172,661.40 and 59,794.64 is: 89,530.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,315.28 : 172,661.40 = 59,794.64 : x
  2. Step 2: Convert to fraction form
    115,315.28/172,661.40 = 59,794.64/x
  3. Step 3: Cross multiply
    115,315.28x = 172,661.40 × 59,794.64
  4. Step 4: Simplify right side
    115,315.28x = 10,324,226,254.90
  5. Step 5: Solve for x
    x = 10,324,226,254.90/115,315.28
  6. Step 6: Final answer
    x = 89,530.43

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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.