Home / 202,555.26-279,510.12-117,677.88

Finding the Fourth Proportional to 202,555.26, 279,510.12 and 117,677.88

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Solution

The fourth proportional to 202,555.26, 279,510.12 and 117,677.88 is: 162,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,555.26 : 279,510.12 = 117,677.88 : x
  2. Step 2: Convert to fraction form
    202,555.26/279,510.12 = 117,677.88/x
  3. Step 3: Cross multiply
    202,555.26x = 279,510.12 × 117,677.88
  4. Step 4: Simplify right side
    202,555.26x = 32,892,158,360.15
  5. Step 5: Solve for x
    x = 32,892,158,360.15/202,555.26
  6. Step 6: Final answer
    x = 162,386.10

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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.