Home / 215,851.19-297,802.13-125,174.09

Finding the Fourth Proportional to 215,851.19, 297,802.13 and 125,174.09

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Solution

The fourth proportional to 215,851.19, 297,802.13 and 125,174.09 is: 172,698.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,851.19 : 297,802.13 = 125,174.09 : x
  2. Step 2: Convert to fraction form
    215,851.19/297,802.13 = 125,174.09/x
  3. Step 3: Cross multiply
    215,851.19x = 297,802.13 × 125,174.09
  4. Step 4: Simplify right side
    215,851.19x = 37,277,110,741.45
  5. Step 5: Solve for x
    x = 37,277,110,741.45/215,851.19
  6. Step 6: Final answer
    x = 172,698.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.