Home / 100,964.40-151,402.32-34,386.18

Finding the Fourth Proportional to 100,964.40, 151,402.32 and 34,386.18

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Solution

The fourth proportional to 100,964.40, 151,402.32 and 34,386.18 is: 51,564.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,964.40 : 151,402.32 = 34,386.18 : x
  2. Step 2: Convert to fraction form
    100,964.40/151,402.32 = 34,386.18/x
  3. Step 3: Cross multiply
    100,964.40x = 151,402.32 × 34,386.18
  4. Step 4: Simplify right side
    100,964.40x = 5,206,147,427.94
  5. Step 5: Solve for x
    x = 5,206,147,427.94/100,964.40
  6. Step 6: Final answer
    x = 51,564.19

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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.