Home / 211,649.38-292,029.95-125,636.72

Finding the Fourth Proportional to 211,649.38, 292,029.95 and 125,636.72

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Solution

The fourth proportional to 211,649.38, 292,029.95 and 125,636.72 is: 173,351.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,649.38 : 292,029.95 = 125,636.72 : x
  2. Step 2: Convert to fraction form
    211,649.38/292,029.95 = 125,636.72/x
  3. Step 3: Cross multiply
    211,649.38x = 292,029.95 × 125,636.72
  4. Step 4: Simplify right side
    211,649.38x = 36,689,685,059.76
  5. Step 5: Solve for x
    x = 36,689,685,059.76/211,649.38
  6. Step 6: Final answer
    x = 173,351.25

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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.