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Finding the Fourth Proportional to 110,484.77, 152,470.01 and 62,739.18

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Solution

The fourth proportional to 110,484.77, 152,470.01 and 62,739.18 is: 86,580.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,484.77 : 152,470.01 = 62,739.18 : x
  2. Step 2: Convert to fraction form
    110,484.77/152,470.01 = 62,739.18/x
  3. Step 3: Cross multiply
    110,484.77x = 152,470.01 × 62,739.18
  4. Step 4: Simplify right side
    110,484.77x = 9,565,843,558.84
  5. Step 5: Solve for x
    x = 9,565,843,558.84/110,484.77
  6. Step 6: Final answer
    x = 86,580.66

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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.