Home / 153,218.27-211,266.87-107,881.76

Finding the Fourth Proportional to 153,218.27, 211,266.87 and 107,881.76

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Solution

The fourth proportional to 153,218.27, 211,266.87 and 107,881.76 is: 148,754.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,218.27 : 211,266.87 = 107,881.76 : x
  2. Step 2: Convert to fraction form
    153,218.27/211,266.87 = 107,881.76/x
  3. Step 3: Cross multiply
    153,218.27x = 211,266.87 × 107,881.76
  4. Step 4: Simplify right side
    153,218.27x = 22,791,840,708.96
  5. Step 5: Solve for x
    x = 22,791,840,708.96/153,218.27
  6. Step 6: Final answer
    x = 148,754.07

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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.