Home / 145,001.32-217,462.38-39,795.28

Finding the Fourth Proportional to 145,001.32, 217,462.38 and 39,795.28

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Solution

The fourth proportional to 145,001.32, 217,462.38 and 39,795.28 is: 59,682.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,001.32 : 217,462.38 = 39,795.28 : x
  2. Step 2: Convert to fraction form
    145,001.32/217,462.38 = 39,795.28/x
  3. Step 3: Cross multiply
    145,001.32x = 217,462.38 × 39,795.28
  4. Step 4: Simplify right side
    145,001.32x = 8,653,976,301.57
  5. Step 5: Solve for x
    x = 8,653,976,301.57/145,001.32
  6. Step 6: Final answer
    x = 59,682.05

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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.