Home / 189,846.24-261,988.64-103,807.04

Finding the Fourth Proportional to 189,846.24, 261,988.64 and 103,807.04

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Solution

The fourth proportional to 189,846.24, 261,988.64 and 103,807.04 is: 143,254.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,846.24 : 261,988.64 = 103,807.04 : x
  2. Step 2: Convert to fraction form
    189,846.24/261,988.64 = 103,807.04/x
  3. Step 3: Cross multiply
    189,846.24x = 261,988.64 × 103,807.04
  4. Step 4: Simplify right side
    189,846.24x = 27,196,265,232.03
  5. Step 5: Solve for x
    x = 27,196,265,232.03/189,846.24
  6. Step 6: Final answer
    x = 143,254.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.