Home / 115,088.04-172,632.60-40,207.86

Finding the Fourth Proportional to 115,088.04, 172,632.60 and 40,207.86

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Solution

The fourth proportional to 115,088.04, 172,632.60 and 40,207.86 is: 60,311.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,088.04 : 172,632.60 = 40,207.86 : x
  2. Step 2: Convert to fraction form
    115,088.04/172,632.60 = 40,207.86/x
  3. Step 3: Cross multiply
    115,088.04x = 172,632.60 × 40,207.86
  4. Step 4: Simplify right side
    115,088.04x = 6,941,187,412.24
  5. Step 5: Solve for x
    x = 6,941,187,412.24/115,088.04
  6. Step 6: Final answer
    x = 60,311.98

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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.