Home / 104,261.80-156,641.96-66,895.26

Finding the Fourth Proportional to 104,261.80, 156,641.96 and 66,895.26

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Solution

The fourth proportional to 104,261.80, 156,641.96 and 66,895.26 is: 100,502.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,261.80 : 156,641.96 = 66,895.26 : x
  2. Step 2: Convert to fraction form
    104,261.80/156,641.96 = 66,895.26/x
  3. Step 3: Cross multiply
    104,261.80x = 156,641.96 × 66,895.26
  4. Step 4: Simplify right side
    104,261.80x = 10,478,604,641.11
  5. Step 5: Solve for x
    x = 10,478,604,641.11/104,261.80
  6. Step 6: Final answer
    x = 100,502.82

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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.