Home / 112,472.96-168,705.18-28,233.77

Finding the Fourth Proportional to 112,472.96, 168,705.18 and 28,233.77

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Solution

The fourth proportional to 112,472.96, 168,705.18 and 28,233.77 is: 42,349.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,472.96 : 168,705.18 = 28,233.77 : x
  2. Step 2: Convert to fraction form
    112,472.96/168,705.18 = 28,233.77/x
  3. Step 3: Cross multiply
    112,472.96x = 168,705.18 × 28,233.77
  4. Step 4: Simplify right side
    112,472.96x = 4,763,182,406.40
  5. Step 5: Solve for x
    x = 4,763,182,406.40/112,472.96
  6. Step 6: Final answer
    x = 42,349.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.