Home / 112,266.41-154,889.82-69,822.41

Finding the Fourth Proportional to 112,266.41, 154,889.82 and 69,822.41

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Solution

The fourth proportional to 112,266.41, 154,889.82 and 69,822.41 is: 96,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,266.41 : 154,889.82 = 69,822.41 : x
  2. Step 2: Convert to fraction form
    112,266.41/154,889.82 = 69,822.41/x
  3. Step 3: Cross multiply
    112,266.41x = 154,889.82 × 69,822.41
  4. Step 4: Simplify right side
    112,266.41x = 10,814,779,742.42
  5. Step 5: Solve for x
    x = 10,814,779,742.42/112,266.41
  6. Step 6: Final answer
    x = 96,331.40

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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.