Home / 107,948.80-148,909.44-63,228.16

Finding the Fourth Proportional to 107,948.80, 148,909.44 and 63,228.16

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Solution

The fourth proportional to 107,948.80, 148,909.44 and 63,228.16 is: 87,219.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,948.80 : 148,909.44 = 63,228.16 : x
  2. Step 2: Convert to fraction form
    107,948.80/148,909.44 = 63,228.16/x
  3. Step 3: Cross multiply
    107,948.80x = 148,909.44 × 63,228.16
  4. Step 4: Simplify right side
    107,948.80x = 9,415,269,897.83
  5. Step 5: Solve for x
    x = 9,415,269,897.83/107,948.80
  6. Step 6: Final answer
    x = 87,219.77

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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.