Home / 142,444.80-213,494.40-63,475.20

Finding the Fourth Proportional to 142,444.80, 213,494.40 and 63,475.20

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Solution

The fourth proportional to 142,444.80, 213,494.40 and 63,475.20 is: 95,135.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,444.80 : 213,494.40 = 63,475.20 : x
  2. Step 2: Convert to fraction form
    142,444.80/213,494.40 = 63,475.20/x
  3. Step 3: Cross multiply
    142,444.80x = 213,494.40 × 63,475.20
  4. Step 4: Simplify right side
    142,444.80x = 13,551,599,738.88
  5. Step 5: Solve for x
    x = 13,551,599,738.88/142,444.80
  6. Step 6: Final answer
    x = 95,135.80

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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.