Home / 115,173.64-172,774.31-108,875.08

Finding the Fourth Proportional to 115,173.64, 172,774.31 and 108,875.08

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Solution

The fourth proportional to 115,173.64, 172,774.31 and 108,875.08 is: 163,325.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,173.64 : 172,774.31 = 108,875.08 : x
  2. Step 2: Convert to fraction form
    115,173.64/172,774.31 = 108,875.08/x
  3. Step 3: Cross multiply
    115,173.64x = 172,774.31 × 108,875.08
  4. Step 4: Simplify right side
    115,173.64x = 18,810,816,823.19
  5. Step 5: Solve for x
    x = 18,810,816,823.19/115,173.64
  6. Step 6: Final answer
    x = 163,325.71

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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.