Home / 218,726.17-301,845.18-121,927.27

Finding the Fourth Proportional to 218,726.17, 301,845.18 and 121,927.27

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Solution

The fourth proportional to 218,726.17, 301,845.18 and 121,927.27 is: 168,261.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,726.17 : 301,845.18 = 121,927.27 : x
  2. Step 2: Convert to fraction form
    218,726.17/301,845.18 = 121,927.27/x
  3. Step 3: Cross multiply
    218,726.17x = 301,845.18 × 121,927.27
  4. Step 4: Simplify right side
    218,726.17x = 36,803,158,760.06
  5. Step 5: Solve for x
    x = 36,803,158,760.06/218,726.17
  6. Step 6: Final answer
    x = 168,261.34

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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.