Home / 105,395.94-158,082.26-26,510.20

Finding the Fourth Proportional to 105,395.94, 158,082.26 and 26,510.20

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Solution

The fourth proportional to 105,395.94, 158,082.26 and 26,510.20 is: 39,762.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,395.94 : 158,082.26 = 26,510.20 : x
  2. Step 2: Convert to fraction form
    105,395.94/158,082.26 = 26,510.20/x
  3. Step 3: Cross multiply
    105,395.94x = 158,082.26 × 26,510.20
  4. Step 4: Simplify right side
    105,395.94x = 4,190,791,538.64
  5. Step 5: Solve for x
    x = 4,190,791,538.64/105,395.94
  6. Step 6: Final answer
    x = 39,762.36

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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.