Home / 112,889.05-169,435.09-60,343.45

Finding the Fourth Proportional to 112,889.05, 169,435.09 and 60,343.45

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Solution

The fourth proportional to 112,889.05, 169,435.09 and 60,343.45 is: 90,569.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,889.05 : 169,435.09 = 60,343.45 : x
  2. Step 2: Convert to fraction form
    112,889.05/169,435.09 = 60,343.45/x
  3. Step 3: Cross multiply
    112,889.05x = 169,435.09 × 60,343.45
  4. Step 4: Simplify right side
    112,889.05x = 10,224,297,034.49
  5. Step 5: Solve for x
    x = 10,224,297,034.49/112,889.05
  6. Step 6: Final answer
    x = 90,569.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.