Home / 112,266.42-154,927.80-61,965.42

Finding the Fourth Proportional to 112,266.42, 154,927.80 and 61,965.42

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Solution

The fourth proportional to 112,266.42, 154,927.80 and 61,965.42 is: 85,512.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,266.42 : 154,927.80 = 61,965.42 : x
  2. Step 2: Convert to fraction form
    112,266.42/154,927.80 = 61,965.42/x
  3. Step 3: Cross multiply
    112,266.42x = 154,927.80 × 61,965.42
  4. Step 4: Simplify right side
    112,266.42x = 9,600,166,196.68
  5. Step 5: Solve for x
    x = 9,600,166,196.68/112,266.42
  6. Step 6: Final answer
    x = 85,512.36

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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.