Home / 145,301.32-217,964.58-40,120.36

Finding the Fourth Proportional to 145,301.32, 217,964.58 and 40,120.36

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Solution

The fourth proportional to 145,301.32, 217,964.58 and 40,120.36 is: 60,184.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,301.32 : 217,964.58 = 40,120.36 : x
  2. Step 2: Convert to fraction form
    145,301.32/217,964.58 = 40,120.36/x
  3. Step 3: Cross multiply
    145,301.32x = 217,964.58 × 40,120.36
  4. Step 4: Simplify right side
    145,301.32x = 8,744,817,416.85
  5. Step 5: Solve for x
    x = 8,744,817,416.85/145,301.32
  6. Step 6: Final answer
    x = 60,184.02

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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.