Home / 115,209.60-172,814.40-32,103.60

Finding the Fourth Proportional to 115,209.60, 172,814.40 and 32,103.60

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Solution

The fourth proportional to 115,209.60, 172,814.40 and 32,103.60 is: 48,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,209.60 : 172,814.40 = 32,103.60 : x
  2. Step 2: Convert to fraction form
    115,209.60/172,814.40 = 32,103.60/x
  3. Step 3: Cross multiply
    115,209.60x = 172,814.40 × 32,103.60
  4. Step 4: Simplify right side
    115,209.60x = 5,547,964,371.84
  5. Step 5: Solve for x
    x = 5,547,964,371.84/115,209.60
  6. Step 6: Final answer
    x = 48,155.40

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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.