Home / 112,090.15-154,682.29-61,103.35

Finding the Fourth Proportional to 112,090.15, 154,682.29 and 61,103.35

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Solution

The fourth proportional to 112,090.15, 154,682.29 and 61,103.35 is: 84,321.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,090.15 : 154,682.29 = 61,103.35 : x
  2. Step 2: Convert to fraction form
    112,090.15/154,682.29 = 61,103.35/x
  3. Step 3: Cross multiply
    112,090.15x = 154,682.29 × 61,103.35
  4. Step 4: Simplify right side
    112,090.15x = 9,451,606,104.67
  5. Step 5: Solve for x
    x = 9,451,606,104.67/112,090.15
  6. Step 6: Final answer
    x = 84,321.47

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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.