Home / 74,099.74-111,160.54-21,502.38

Finding the Fourth Proportional to 74,099.74, 111,160.54 and 21,502.38

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Solution

The fourth proportional to 74,099.74, 111,160.54 and 21,502.38 is: 32,256.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,099.74 : 111,160.54 = 21,502.38 : x
  2. Step 2: Convert to fraction form
    74,099.74/111,160.54 = 21,502.38/x
  3. Step 3: Cross multiply
    74,099.74x = 111,160.54 × 21,502.38
  4. Step 4: Simplify right side
    74,099.74x = 2,390,216,172.09
  5. Step 5: Solve for x
    x = 2,390,216,172.09/74,099.74
  6. Step 6: Final answer
    x = 32,256.74

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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.