Home / 211,712.62-292,152.48-125,675.20

Finding the Fourth Proportional to 211,712.62, 292,152.48 and 125,675.20

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Solution

The fourth proportional to 211,712.62, 292,152.48 and 125,675.20 is: 173,425.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,712.62 : 292,152.48 = 125,675.20 : x
  2. Step 2: Convert to fraction form
    211,712.62/292,152.48 = 125,675.20/x
  3. Step 3: Cross multiply
    211,712.62x = 292,152.48 × 125,675.20
  4. Step 4: Simplify right side
    211,712.62x = 36,716,321,354.50
  5. Step 5: Solve for x
    x = 36,716,321,354.50/211,712.62
  6. Step 6: Final answer
    x = 173,425.28

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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.