Home / 97,343.20-145,906.80-38,159.20

Finding the Fourth Proportional to 97,343.20, 145,906.80 and 38,159.20

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Solution

The fourth proportional to 97,343.20, 145,906.80 and 38,159.20 is: 57,196.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,343.20 : 145,906.80 = 38,159.20 : x
  2. Step 2: Convert to fraction form
    97,343.20/145,906.80 = 38,159.20/x
  3. Step 3: Cross multiply
    97,343.20x = 145,906.80 × 38,159.20
  4. Step 4: Simplify right side
    97,343.20x = 5,567,686,762.56
  5. Step 5: Solve for x
    x = 5,567,686,762.56/97,343.20
  6. Step 6: Final answer
    x = 57,196.46

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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.