Home / 98,298.45-147,419.15-38,313.56

Finding the Fourth Proportional to 98,298.45, 147,419.15 and 38,313.56

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Solution

The fourth proportional to 98,298.45, 147,419.15 and 38,313.56 is: 57,459.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,298.45 : 147,419.15 = 38,313.56 : x
  2. Step 2: Convert to fraction form
    98,298.45/147,419.15 = 38,313.56/x
  3. Step 3: Cross multiply
    98,298.45x = 147,419.15 × 38,313.56
  4. Step 4: Simplify right side
    98,298.45x = 5,648,152,625.65
  5. Step 5: Solve for x
    x = 5,648,152,625.65/98,298.45
  6. Step 6: Final answer
    x = 57,459.22

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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.