Home / 112,163.22-154,784.63-61,175.00

Finding the Fourth Proportional to 112,163.22, 154,784.63 and 61,175.00

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Solution

The fourth proportional to 112,163.22, 154,784.63 and 61,175.00 is: 84,421.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,163.22 : 154,784.63 = 61,175.00 : x
  2. Step 2: Convert to fraction form
    112,163.22/154,784.63 = 61,175.00/x
  3. Step 3: Cross multiply
    112,163.22x = 154,784.63 × 61,175.00
  4. Step 4: Simplify right side
    112,163.22x = 9,468,948,660.45
  5. Step 5: Solve for x
    x = 9,468,948,660.45/112,163.22
  6. Step 6: Final answer
    x = 84,421.16

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1.5x scale

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.