Home / 109,376.47-164,655.62-98,378.31

Finding the Fourth Proportional to 109,376.47, 164,655.62 and 98,378.31

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Solution

The fourth proportional to 109,376.47, 164,655.62 and 98,378.31 is: 148,098.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,376.47 : 164,655.62 = 98,378.31 : x
  2. Step 2: Convert to fraction form
    109,376.47/164,655.62 = 98,378.31/x
  3. Step 3: Cross multiply
    109,376.47x = 164,655.62 × 98,378.31
  4. Step 4: Simplify right side
    109,376.47x = 16,198,541,135.71
  5. Step 5: Solve for x
    x = 16,198,541,135.71/109,376.47
  6. Step 6: Final answer
    x = 148,098.96

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.