Home / 112,111.80-168,130.68-41,018.28

Finding the Fourth Proportional to 112,111.80, 168,130.68 and 41,018.28

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Solution

The fourth proportional to 112,111.80, 168,130.68 and 41,018.28 is: 61,513.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,111.80 : 168,130.68 = 41,018.28 : x
  2. Step 2: Convert to fraction form
    112,111.80/168,130.68 = 41,018.28/x
  3. Step 3: Cross multiply
    112,111.80x = 168,130.68 × 41,018.28
  4. Step 4: Simplify right side
    112,111.80x = 6,896,431,308.83
  5. Step 5: Solve for x
    x = 6,896,431,308.83/112,111.80
  6. Step 6: Final answer
    x = 61,513.88

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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.