Home / 118,669.31-163,765.19-64,953.17

Finding the Fourth Proportional to 118,669.31, 163,765.19 and 64,953.17

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Solution

The fourth proportional to 118,669.31, 163,765.19 and 64,953.17 is: 89,636.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,669.31 : 163,765.19 = 64,953.17 : x
  2. Step 2: Convert to fraction form
    118,669.31/163,765.19 = 64,953.17/x
  3. Step 3: Cross multiply
    118,669.31x = 163,765.19 × 64,953.17
  4. Step 4: Simplify right side
    118,669.31x = 10,637,067,082.56
  5. Step 5: Solve for x
    x = 10,637,067,082.56/118,669.31
  6. Step 6: Final answer
    x = 89,636.21

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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.