Home / 158,655.20-238,157.76-79,748.24

Finding the Fourth Proportional to 158,655.20, 238,157.76 and 79,748.24

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Solution

The fourth proportional to 158,655.20, 238,157.76 and 79,748.24 is: 119,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,655.20 : 238,157.76 = 79,748.24 : x
  2. Step 2: Convert to fraction form
    158,655.20/238,157.76 = 79,748.24/x
  3. Step 3: Cross multiply
    158,655.20x = 238,157.76 × 79,748.24
  4. Step 4: Simplify right side
    158,655.20x = 18,992,662,202.34
  5. Step 5: Solve for x
    x = 18,992,662,202.34/158,655.20
  6. Step 6: Final answer
    x = 119,710.30

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1.5x scale

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.