Home / 112,169.28-168,207.84-42,012.48

Finding the Fourth Proportional to 112,169.28, 168,207.84 and 42,012.48

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Solution

The fourth proportional to 112,169.28, 168,207.84 and 42,012.48 is: 63,001.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,169.28 : 168,207.84 = 42,012.48 : x
  2. Step 2: Convert to fraction form
    112,169.28/168,207.84 = 42,012.48/x
  3. Step 3: Cross multiply
    112,169.28x = 168,207.84 × 42,012.48
  4. Step 4: Simplify right side
    112,169.28x = 7,066,828,513.84
  5. Step 5: Solve for x
    x = 7,066,828,513.84/112,169.28
  6. Step 6: Final answer
    x = 63,001.46

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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.