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Finding the Fourth Proportional to 159,346.17, 239,019.21 and 48,538.17

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Solution

The fourth proportional to 159,346.17, 239,019.21 and 48,538.17 is: 72,807.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,346.17 : 239,019.21 = 48,538.17 : x
  2. Step 2: Convert to fraction form
    159,346.17/239,019.21 = 48,538.17/x
  3. Step 3: Cross multiply
    159,346.17x = 239,019.21 × 48,538.17
  4. Step 4: Simplify right side
    159,346.17x = 11,601,555,048.25
  5. Step 5: Solve for x
    x = 11,601,555,048.25/159,346.17
  6. Step 6: Final answer
    x = 72,807.24

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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.