Home / 145,044.36-217,587.30-64,081.56

Finding the Fourth Proportional to 145,044.36, 217,587.30 and 64,081.56

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Solution

The fourth proportional to 145,044.36, 217,587.30 and 64,081.56 is: 96,131.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,044.36 : 217,587.30 = 64,081.56 : x
  2. Step 2: Convert to fraction form
    145,044.36/217,587.30 = 64,081.56/x
  3. Step 3: Cross multiply
    145,044.36x = 217,587.30 × 64,081.56
  4. Step 4: Simplify right side
    145,044.36x = 13,943,333,620.19
  5. Step 5: Solve for x
    x = 13,943,333,620.19/145,044.36
  6. Step 6: Final answer
    x = 96,131.51

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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.