Home / 103,373.51-142,670.87-63,110.61

Finding the Fourth Proportional to 103,373.51, 142,670.87 and 63,110.61

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Solution

The fourth proportional to 103,373.51, 142,670.87 and 63,110.61 is: 87,102.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,373.51 : 142,670.87 = 63,110.61 : x
  2. Step 2: Convert to fraction form
    103,373.51/142,670.87 = 63,110.61/x
  3. Step 3: Cross multiply
    103,373.51x = 142,670.87 × 63,110.61
  4. Step 4: Simplify right side
    103,373.51x = 9,004,045,634.93
  5. Step 5: Solve for x
    x = 9,004,045,634.93/103,373.51
  6. Step 6: Final answer
    x = 87,102.06

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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.