Home / 112,012.50-154,577.25-61,712.58

Finding the Fourth Proportional to 112,012.50, 154,577.25 and 61,712.58

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Solution

The fourth proportional to 112,012.50, 154,577.25 and 61,712.58 is: 85,163.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,012.50 : 154,577.25 = 61,712.58 : x
  2. Step 2: Convert to fraction form
    112,012.50/154,577.25 = 61,712.58/x
  3. Step 3: Cross multiply
    112,012.50x = 154,577.25 × 61,712.58
  4. Step 4: Simplify right side
    112,012.50x = 9,539,360,906.81
  5. Step 5: Solve for x
    x = 9,539,360,906.81/112,012.50
  6. Step 6: Final answer
    x = 85,163.36

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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.