Home / 146,875.12-202,686.96-83,212.78

Finding the Fourth Proportional to 146,875.12, 202,686.96 and 83,212.78

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Solution

The fourth proportional to 146,875.12, 202,686.96 and 83,212.78 is: 114,833.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,875.12 : 202,686.96 = 83,212.78 : x
  2. Step 2: Convert to fraction form
    146,875.12/202,686.96 = 83,212.78/x
  3. Step 3: Cross multiply
    146,875.12x = 202,686.96 × 83,212.78
  4. Step 4: Simplify right side
    146,875.12x = 16,866,145,411.35
  5. Step 5: Solve for x
    x = 16,866,145,411.35/146,875.12
  6. Step 6: Final answer
    x = 114,833.24

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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.