Home / 105,334.90-145,351.13-60,003.38

Finding the Fourth Proportional to 105,334.90, 145,351.13 and 60,003.38

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Solution

The fourth proportional to 105,334.90, 145,351.13 and 60,003.38 is: 82,798.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,334.90 : 145,351.13 = 60,003.38 : x
  2. Step 2: Convert to fraction form
    105,334.90/145,351.13 = 60,003.38/x
  3. Step 3: Cross multiply
    105,334.90x = 145,351.13 × 60,003.38
  4. Step 4: Simplify right side
    105,334.90x = 8,721,559,150.18
  5. Step 5: Solve for x
    x = 8,721,559,150.18/105,334.90
  6. Step 6: Final answer
    x = 82,798.38

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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.