Home / 143,376.80-215,058.98-43,534.74

Finding the Fourth Proportional to 143,376.80, 215,058.98 and 43,534.74

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Solution

The fourth proportional to 143,376.80, 215,058.98 and 43,534.74 is: 65,300.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,376.80 : 215,058.98 = 43,534.74 : x
  2. Step 2: Convert to fraction form
    143,376.80/215,058.98 = 43,534.74/x
  3. Step 3: Cross multiply
    143,376.80x = 215,058.98 × 43,534.74
  4. Step 4: Simplify right side
    143,376.80x = 9,362,536,778.97
  5. Step 5: Solve for x
    x = 9,362,536,778.97/143,376.80
  6. Step 6: Final answer
    x = 65,300.22

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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.