Home / 202,772.16-279,827.40-112,134.27

Finding the Fourth Proportional to 202,772.16, 279,827.40 and 112,134.27

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Solution

The fourth proportional to 202,772.16, 279,827.40 and 112,134.27 is: 154,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,772.16 : 279,827.40 = 112,134.27 : x
  2. Step 2: Convert to fraction form
    202,772.16/279,827.40 = 112,134.27/x
  3. Step 3: Cross multiply
    202,772.16x = 279,827.40 × 112,134.27
  4. Step 4: Simplify right side
    202,772.16x = 31,378,241,750.15
  5. Step 5: Solve for x
    x = 31,378,241,750.15/202,772.16
  6. Step 6: Final answer
    x = 154,746.30

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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.