Home / 106,115.74-146,437.50-57,718.64

Finding the Fourth Proportional to 106,115.74, 146,437.50 and 57,718.64

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Solution

The fourth proportional to 106,115.74, 146,437.50 and 57,718.64 is: 79,650.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,115.74 : 146,437.50 = 57,718.64 : x
  2. Step 2: Convert to fraction form
    106,115.74/146,437.50 = 57,718.64/x
  3. Step 3: Cross multiply
    106,115.74x = 146,437.50 × 57,718.64
  4. Step 4: Simplify right side
    106,115.74x = 8,452,173,927.54
  5. Step 5: Solve for x
    x = 8,452,173,927.54/106,115.74
  6. Step 6: Final answer
    x = 79,650.52

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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.