Home / 112,389.36-168,609.15-42,269.28

Finding the Fourth Proportional to 112,389.36, 168,609.15 and 42,269.28

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Solution

The fourth proportional to 112,389.36, 168,609.15 and 42,269.28 is: 63,413.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,389.36 : 168,609.15 = 42,269.28 : x
  2. Step 2: Convert to fraction form
    112,389.36/168,609.15 = 42,269.28/x
  3. Step 3: Cross multiply
    112,389.36x = 168,609.15 × 42,269.28
  4. Step 4: Simplify right side
    112,389.36x = 7,126,987,371.91
  5. Step 5: Solve for x
    x = 7,126,987,371.91/112,389.36
  6. Step 6: Final answer
    x = 63,413.36

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1.5x scale

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.