Home / 107,869.66-148,863.63-60,133.12

Finding the Fourth Proportional to 107,869.66, 148,863.63 and 60,133.12

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Solution

The fourth proportional to 107,869.66, 148,863.63 and 60,133.12 is: 82,985.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,869.66 : 148,863.63 = 60,133.12 : x
  2. Step 2: Convert to fraction form
    107,869.66/148,863.63 = 60,133.12/x
  3. Step 3: Cross multiply
    107,869.66x = 148,863.63 × 60,133.12
  4. Step 4: Simplify right side
    107,869.66x = 8,951,634,526.43
  5. Step 5: Solve for x
    x = 8,951,634,526.43/107,869.66
  6. Step 6: Final answer
    x = 82,985.66

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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.