Home / 115,943.30-174,126.15-101,428.10

Finding the Fourth Proportional to 115,943.30, 174,126.15 and 101,428.10

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Solution

The fourth proportional to 115,943.30, 174,126.15 and 101,428.10 is: 152,326.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,943.30 : 174,126.15 = 101,428.10 : x
  2. Step 2: Convert to fraction form
    115,943.30/174,126.15 = 101,428.10/x
  3. Step 3: Cross multiply
    115,943.30x = 174,126.15 × 101,428.10
  4. Step 4: Simplify right side
    115,943.30x = 17,661,284,554.82
  5. Step 5: Solve for x
    x = 17,661,284,554.82/115,943.30
  6. Step 6: Final answer
    x = 152,326.91

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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.