Home / 211,729.10-292,110.77-125,622.36

Finding the Fourth Proportional to 211,729.10, 292,110.77 and 125,622.36

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Solution

The fourth proportional to 211,729.10, 292,110.77 and 125,622.36 is: 173,314.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,729.10 : 292,110.77 = 125,622.36 : x
  2. Step 2: Convert to fraction form
    211,729.10/292,110.77 = 125,622.36/x
  3. Step 3: Cross multiply
    211,729.10x = 292,110.77 × 125,622.36
  4. Step 4: Simplify right side
    211,729.10x = 36,695,644,622.87
  5. Step 5: Solve for x
    x = 36,695,644,622.87/211,729.10
  6. Step 6: Final answer
    x = 173,314.13

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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.