Home / 109,316.76-163,998.18-35,439

Finding the Fourth Proportional to 109,316.76, 163,998.18 and 35,439

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Solution

The fourth proportional to 109,316.76, 163,998.18 and 35,439 is: 53,165.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,316.76 : 163,998.18 = 35,439 : x
  2. Step 2: Convert to fraction form
    109,316.76/163,998.18 = 35,439/x
  3. Step 3: Cross multiply
    109,316.76x = 163,998.18 × 35,439
  4. Step 4: Simplify right side
    109,316.76x = 5,811,931,501.02
  5. Step 5: Solve for x
    x = 5,811,931,501.02/109,316.76
  6. Step 6: Final answer
    x = 53,165.97

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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.