Home / 107,239.33-147,994.23-64,789.66

Finding the Fourth Proportional to 107,239.33, 147,994.23 and 64,789.66

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Solution

The fourth proportional to 107,239.33, 147,994.23 and 64,789.66 is: 89,412.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,239.33 : 147,994.23 = 64,789.66 : x
  2. Step 2: Convert to fraction form
    107,239.33/147,994.23 = 64,789.66/x
  3. Step 3: Cross multiply
    107,239.33x = 147,994.23 × 64,789.66
  4. Step 4: Simplify right side
    107,239.33x = 9,588,495,843.66
  5. Step 5: Solve for x
    x = 9,588,495,843.66/107,239.33
  6. Step 6: Final answer
    x = 89,412.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.