Home / 112,256.85-154,941.05-64,537.92

Finding the Fourth Proportional to 112,256.85, 154,941.05 and 64,537.92

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Solution

The fourth proportional to 112,256.85, 154,941.05 and 64,537.92 is: 89,077.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,256.85 : 154,941.05 = 64,537.92 : x
  2. Step 2: Convert to fraction form
    112,256.85/154,941.05 = 64,537.92/x
  3. Step 3: Cross multiply
    112,256.85x = 154,941.05 × 64,537.92
  4. Step 4: Simplify right side
    112,256.85x = 9,999,572,766.93
  5. Step 5: Solve for x
    x = 9,999,572,766.93/112,256.85
  6. Step 6: Final answer
    x = 89,077.62

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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.