Home / 112,015.66-154,579.98-64,267.96

Finding the Fourth Proportional to 112,015.66, 154,579.98 and 64,267.96

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Solution

The fourth proportional to 112,015.66, 154,579.98 and 64,267.96 is: 88,688.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,015.66 : 154,579.98 = 64,267.96 : x
  2. Step 2: Convert to fraction form
    112,015.66/154,579.98 = 64,267.96/x
  3. Step 3: Cross multiply
    112,015.66x = 154,579.98 × 64,267.96
  4. Step 4: Simplify right side
    112,015.66x = 9,934,539,971.44
  5. Step 5: Solve for x
    x = 9,934,539,971.44/112,015.66
  6. Step 6: Final answer
    x = 88,688.85

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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.