Home / 100,237.34-150,355.95-40,265.81

Finding the Fourth Proportional to 100,237.34, 150,355.95 and 40,265.81

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Solution

The fourth proportional to 100,237.34, 150,355.95 and 40,265.81 is: 60,398.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,237.34 : 150,355.95 = 40,265.81 : x
  2. Step 2: Convert to fraction form
    100,237.34/150,355.95 = 40,265.81/x
  3. Step 3: Cross multiply
    100,237.34x = 150,355.95 × 40,265.81
  4. Step 4: Simplify right side
    100,237.34x = 6,054,203,363.29
  5. Step 5: Solve for x
    x = 6,054,203,363.29/100,237.34
  6. Step 6: Final answer
    x = 60,398.69

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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.