Home / 122,653.42-169,246.56-70,979.38

Finding the Fourth Proportional to 122,653.42, 169,246.56 and 70,979.38

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Solution

The fourth proportional to 122,653.42, 169,246.56 and 70,979.38 is: 97,942.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,653.42 : 169,246.56 = 70,979.38 : x
  2. Step 2: Convert to fraction form
    122,653.42/169,246.56 = 70,979.38/x
  3. Step 3: Cross multiply
    122,653.42x = 169,246.56 × 70,979.38
  4. Step 4: Simplify right side
    122,653.42x = 12,013,015,895.93
  5. Step 5: Solve for x
    x = 12,013,015,895.93/122,653.42
  6. Step 6: Final answer
    x = 97,942.77

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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.