Home / 112,031.68-154,601.89-61,045.02

Finding the Fourth Proportional to 112,031.68, 154,601.89 and 61,045.02

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Solution

The fourth proportional to 112,031.68, 154,601.89 and 61,045.02 is: 84,241.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,031.68 : 154,601.89 = 61,045.02 : x
  2. Step 2: Convert to fraction form
    112,031.68/154,601.89 = 61,045.02/x
  3. Step 3: Cross multiply
    112,031.68x = 154,601.89 × 61,045.02
  4. Step 4: Simplify right side
    112,031.68x = 9,437,675,467.09
  5. Step 5: Solve for x
    x = 9,437,675,467.09/112,031.68
  6. Step 6: Final answer
    x = 84,241.13

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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.