Home / 112,997.70-155,938.37-62,009.62

Finding the Fourth Proportional to 112,997.70, 155,938.37 and 62,009.62

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Solution

The fourth proportional to 112,997.70, 155,938.37 and 62,009.62 is: 85,574.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,997.70 : 155,938.37 = 62,009.62 : x
  2. Step 2: Convert to fraction form
    112,997.70/155,938.37 = 62,009.62/x
  3. Step 3: Cross multiply
    112,997.70x = 155,938.37 × 62,009.62
  4. Step 4: Simplify right side
    112,997.70x = 9,669,678,367.23
  5. Step 5: Solve for x
    x = 9,669,678,367.23/112,997.70
  6. Step 6: Final answer
    x = 85,574.12

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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.