Home / 159,311.05-238,967.18-64,543.01

Finding the Fourth Proportional to 159,311.05, 238,967.18 and 64,543.01

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Solution

The fourth proportional to 159,311.05, 238,967.18 and 64,543.01 is: 96,814.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,311.05 : 238,967.18 = 64,543.01 : x
  2. Step 2: Convert to fraction form
    159,311.05/238,967.18 = 64,543.01/x
  3. Step 3: Cross multiply
    159,311.05x = 238,967.18 × 64,543.01
  4. Step 4: Simplify right side
    159,311.05x = 15,423,659,812.90
  5. Step 5: Solve for x
    x = 15,423,659,812.90/159,311.05
  6. Step 6: Final answer
    x = 96,814.75

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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.