Home / 181,865.47-250,974.17-105,428.82

Finding the Fourth Proportional to 181,865.47, 250,974.17 and 105,428.82

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Solution

The fourth proportional to 181,865.47, 250,974.17 and 105,428.82 is: 145,491.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,865.47 : 250,974.17 = 105,428.82 : x
  2. Step 2: Convert to fraction form
    181,865.47/250,974.17 = 105,428.82/x
  3. Step 3: Cross multiply
    181,865.47x = 250,974.17 × 105,428.82
  4. Step 4: Simplify right side
    181,865.47x = 26,459,909,581.87
  5. Step 5: Solve for x
    x = 26,459,909,581.87/181,865.47
  6. Step 6: Final answer
    x = 145,491.67

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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.