Home / 112,208.91-168,264.09-42,039.02

Finding the Fourth Proportional to 112,208.91, 168,264.09 and 42,039.02

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Solution

The fourth proportional to 112,208.91, 168,264.09 and 42,039.02 is: 63,040.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,208.91 : 168,264.09 = 42,039.02 : x
  2. Step 2: Convert to fraction form
    112,208.91/168,264.09 = 42,039.02/x
  3. Step 3: Cross multiply
    112,208.91x = 168,264.09 × 42,039.02
  4. Step 4: Simplify right side
    112,208.91x = 7,073,656,603.47
  5. Step 5: Solve for x
    x = 7,073,656,603.47/112,208.91
  6. Step 6: Final answer
    x = 63,040.06

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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.