Home / 146,746.47-202,510.94-79,678.47

Finding the Fourth Proportional to 146,746.47, 202,510.94 and 79,678.47

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Solution

The fourth proportional to 146,746.47, 202,510.94 and 79,678.47 is: 109,956.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,746.47 : 202,510.94 = 79,678.47 : x
  2. Step 2: Convert to fraction form
    146,746.47/202,510.94 = 79,678.47/x
  3. Step 3: Cross multiply
    146,746.47x = 202,510.94 × 79,678.47
  4. Step 4: Simplify right side
    146,746.47x = 16,135,761,857.46
  5. Step 5: Solve for x
    x = 16,135,761,857.46/146,746.47
  6. Step 6: Final answer
    x = 109,956.73

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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.