Home / 138,011.58-207,017.15-43,249.05

Finding the Fourth Proportional to 138,011.58, 207,017.15 and 43,249.05

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Solution

The fourth proportional to 138,011.58, 207,017.15 and 43,249.05 is: 64,873.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,011.58 : 207,017.15 = 43,249.05 : x
  2. Step 2: Convert to fraction form
    138,011.58/207,017.15 = 43,249.05/x
  3. Step 3: Cross multiply
    138,011.58x = 207,017.15 × 43,249.05
  4. Step 4: Simplify right side
    138,011.58x = 8,953,294,854.96
  5. Step 5: Solve for x
    x = 8,953,294,854.96/138,011.58
  6. Step 6: Final answer
    x = 64,873.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.