Home / 122,315.58-168,793.47-71,357.94

Finding the Fourth Proportional to 122,315.58, 168,793.47 and 71,357.94

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Solution

The fourth proportional to 122,315.58, 168,793.47 and 71,357.94 is: 98,472.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,315.58 : 168,793.47 = 71,357.94 : x
  2. Step 2: Convert to fraction form
    122,315.58/168,793.47 = 71,357.94/x
  3. Step 3: Cross multiply
    122,315.58x = 168,793.47 × 71,357.94
  4. Step 4: Simplify right side
    122,315.58x = 12,044,754,304.65
  5. Step 5: Solve for x
    x = 12,044,754,304.65/122,315.58
  6. Step 6: Final answer
    x = 98,472.77

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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.