Home / 103,330.34-155,010.08-36,750.77

Finding the Fourth Proportional to 103,330.34, 155,010.08 and 36,750.77

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Solution

The fourth proportional to 103,330.34, 155,010.08 and 36,750.77 is: 55,131.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,330.34 : 155,010.08 = 36,750.77 : x
  2. Step 2: Convert to fraction form
    103,330.34/155,010.08 = 36,750.77/x
  3. Step 3: Cross multiply
    103,330.34x = 155,010.08 × 36,750.77
  4. Step 4: Simplify right side
    103,330.34x = 5,696,739,114.59
  5. Step 5: Solve for x
    x = 5,696,739,114.59/103,330.34
  6. Step 6: Final answer
    x = 55,131.33

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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.