Home / 172,209.25-258,068.53-126,874.06

Finding the Fourth Proportional to 172,209.25, 258,068.53 and 126,874.06

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Solution

The fourth proportional to 172,209.25, 258,068.53 and 126,874.06 is: 190,130.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,209.25 : 258,068.53 = 126,874.06 : x
  2. Step 2: Convert to fraction form
    172,209.25/258,068.53 = 126,874.06/x
  3. Step 3: Cross multiply
    172,209.25x = 258,068.53 × 126,874.06
  4. Step 4: Simplify right side
    172,209.25x = 32,742,202,159.33
  5. Step 5: Solve for x
    x = 32,742,202,159.33/172,209.25
  6. Step 6: Final answer
    x = 190,130.33

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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.