Home / 144,837.64-199,666.50-101,685.76

Finding the Fourth Proportional to 144,837.64, 199,666.50 and 101,685.76

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Solution

The fourth proportional to 144,837.64, 199,666.50 and 101,685.76 is: 140,179.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,837.64 : 199,666.50 = 101,685.76 : x
  2. Step 2: Convert to fraction form
    144,837.64/199,666.50 = 101,685.76/x
  3. Step 3: Cross multiply
    144,837.64x = 199,666.50 × 101,685.76
  4. Step 4: Simplify right side
    144,837.64x = 20,303,239,799.04
  5. Step 5: Solve for x
    x = 20,303,239,799.04/144,837.64
  6. Step 6: Final answer
    x = 140,179.31

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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.