Home / 104,643.10-156,869.71-38,036.19

Finding the Fourth Proportional to 104,643.10, 156,869.71 and 38,036.19

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Solution

The fourth proportional to 104,643.10, 156,869.71 and 38,036.19 is: 57,019.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,643.10 : 156,869.71 = 38,036.19 : x
  2. Step 2: Convert to fraction form
    104,643.10/156,869.71 = 38,036.19/x
  3. Step 3: Cross multiply
    104,643.10x = 156,869.71 × 38,036.19
  4. Step 4: Simplify right side
    104,643.10x = 5,966,726,094.80
  5. Step 5: Solve for x
    x = 5,966,726,094.80/104,643.10
  6. Step 6: Final answer
    x = 57,019.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.