Home / 112,927.11-155,835.50-62,630.79

Finding the Fourth Proportional to 112,927.11, 155,835.50 and 62,630.79

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Solution

The fourth proportional to 112,927.11, 155,835.50 and 62,630.79 is: 86,428.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,927.11 : 155,835.50 = 62,630.79 : x
  2. Step 2: Convert to fraction form
    112,927.11/155,835.50 = 62,630.79/x
  3. Step 3: Cross multiply
    112,927.11x = 155,835.50 × 62,630.79
  4. Step 4: Simplify right side
    112,927.11x = 9,760,100,161.89
  5. Step 5: Solve for x
    x = 9,760,100,161.89/112,927.11
  6. Step 6: Final answer
    x = 86,428.32

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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.