Home / 109,262.40-163,932.84-42,750.36

Finding the Fourth Proportional to 109,262.40, 163,932.84 and 42,750.36

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Solution

The fourth proportional to 109,262.40, 163,932.84 and 42,750.36 is: 64,140.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,262.40 : 163,932.84 = 42,750.36 : x
  2. Step 2: Convert to fraction form
    109,262.40/163,932.84 = 42,750.36/x
  3. Step 3: Cross multiply
    109,262.40x = 163,932.84 × 42,750.36
  4. Step 4: Simplify right side
    109,262.40x = 7,008,187,925.82
  5. Step 5: Solve for x
    x = 7,008,187,925.82/109,262.40
  6. Step 6: Final answer
    x = 64,140.89

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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.