Home / 112,460.91-168,046.70-85,658.01

Finding the Fourth Proportional to 112,460.91, 168,046.70 and 85,658.01

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Solution

The fourth proportional to 112,460.91, 168,046.70 and 85,658.01 is: 127,995.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,460.91 : 168,046.70 = 85,658.01 : x
  2. Step 2: Convert to fraction form
    112,460.91/168,046.70 = 85,658.01/x
  3. Step 3: Cross multiply
    112,460.91x = 168,046.70 × 85,658.01
  4. Step 4: Simplify right side
    112,460.91x = 14,394,545,332.43
  5. Step 5: Solve for x
    x = 14,394,545,332.43/112,460.91
  6. Step 6: Final answer
    x = 127,995.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.