Home / 211,637.55-292,040.52-125,581.70

Finding the Fourth Proportional to 211,637.55, 292,040.52 and 125,581.70

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Solution

The fourth proportional to 211,637.55, 292,040.52 and 125,581.70 is: 173,291.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,637.55 : 292,040.52 = 125,581.70 : x
  2. Step 2: Convert to fraction form
    211,637.55/292,040.52 = 125,581.70/x
  3. Step 3: Cross multiply
    211,637.55x = 292,040.52 × 125,581.70
  4. Step 4: Simplify right side
    211,637.55x = 36,674,944,970.48
  5. Step 5: Solve for x
    x = 36,674,944,970.48/211,637.55
  6. Step 6: Final answer
    x = 173,291.29

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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.