Home / 115,303.86-172,960.95-35,336.04

Finding the Fourth Proportional to 115,303.86, 172,960.95 and 35,336.04

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Solution

The fourth proportional to 115,303.86, 172,960.95 and 35,336.04 is: 53,005.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,303.86 : 172,960.95 = 35,336.04 : x
  2. Step 2: Convert to fraction form
    115,303.86/172,960.95 = 35,336.04/x
  3. Step 3: Cross multiply
    115,303.86x = 172,960.95 × 35,336.04
  4. Step 4: Simplify right side
    115,303.86x = 6,111,755,047.64
  5. Step 5: Solve for x
    x = 6,111,755,047.64/115,303.86
  6. Step 6: Final answer
    x = 53,005.64

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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.