Home / 141,369.84-212,103.36-71,298.36

Finding the Fourth Proportional to 141,369.84, 212,103.36 and 71,298.36

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Solution

The fourth proportional to 141,369.84, 212,103.36 and 71,298.36 is: 106,972.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,369.84 : 212,103.36 = 71,298.36 : x
  2. Step 2: Convert to fraction form
    141,369.84/212,103.36 = 71,298.36/x
  3. Step 3: Cross multiply
    141,369.84x = 212,103.36 × 71,298.36
  4. Step 4: Simplify right side
    141,369.84x = 15,122,621,718.49
  5. Step 5: Solve for x
    x = 15,122,621,718.49/141,369.84
  6. Step 6: Final answer
    x = 106,972.05

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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.