Home / 107,382.78-148,191.63-64,348.09

Finding the Fourth Proportional to 107,382.78, 148,191.63 and 64,348.09

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Solution

The fourth proportional to 107,382.78, 148,191.63 and 64,348.09 is: 88,802.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,382.78 : 148,191.63 = 64,348.09 : x
  2. Step 2: Convert to fraction form
    107,382.78/148,191.63 = 64,348.09/x
  3. Step 3: Cross multiply
    107,382.78x = 148,191.63 × 64,348.09
  4. Step 4: Simplify right side
    107,382.78x = 9,535,847,732.70
  5. Step 5: Solve for x
    x = 9,535,847,732.70/107,382.78
  6. Step 6: Final answer
    x = 88,802.39

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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.