Home / 107,152.22-147,873.66-59,402.72

Finding the Fourth Proportional to 107,152.22, 147,873.66 and 59,402.72

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Solution

The fourth proportional to 107,152.22, 147,873.66 and 59,402.72 is: 81,977.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,152.22 : 147,873.66 = 59,402.72 : x
  2. Step 2: Convert to fraction form
    107,152.22/147,873.66 = 59,402.72/x
  3. Step 3: Cross multiply
    107,152.22x = 147,873.66 × 59,402.72
  4. Step 4: Simplify right side
    107,152.22x = 8,784,097,620.36
  5. Step 5: Solve for x
    x = 8,784,097,620.36/107,152.22
  6. Step 6: Final answer
    x = 81,977.75

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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.