Home / 98,318.01-147,486.60-39,139.81

Finding the Fourth Proportional to 98,318.01, 147,486.60 and 39,139.81

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Solution

The fourth proportional to 98,318.01, 147,486.60 and 39,139.81 is: 58,713.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,318.01 : 147,486.60 = 39,139.81 : x
  2. Step 2: Convert to fraction form
    98,318.01/147,486.60 = 39,139.81/x
  3. Step 3: Cross multiply
    98,318.01x = 147,486.60 × 39,139.81
  4. Step 4: Simplify right side
    98,318.01x = 5,772,597,501.55
  5. Step 5: Solve for x
    x = 5,772,597,501.55/98,318.01
  6. Step 6: Final answer
    x = 58,713.53

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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.