Home / 107,766.64-148,709.52-64,748.32

Finding the Fourth Proportional to 107,766.64, 148,709.52 and 64,748.32

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Solution

The fourth proportional to 107,766.64, 148,709.52 and 64,748.32 is: 89,347.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,766.64 : 148,709.52 = 64,748.32 : x
  2. Step 2: Convert to fraction form
    107,766.64/148,709.52 = 64,748.32/x
  3. Step 3: Cross multiply
    107,766.64x = 148,709.52 × 64,748.32
  4. Step 4: Simplify right side
    107,766.64x = 9,628,691,588.01
  5. Step 5: Solve for x
    x = 9,628,691,588.01/107,766.64
  6. Step 6: Final answer
    x = 89,347.61

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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.