Home / 109,848.30-164,772.45-99,350.70

Finding the Fourth Proportional to 109,848.30, 164,772.45 and 99,350.70

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Solution

The fourth proportional to 109,848.30, 164,772.45 and 99,350.70 is: 149,026.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,848.30 : 164,772.45 = 99,350.70 : x
  2. Step 2: Convert to fraction form
    109,848.30/164,772.45 = 99,350.70/x
  3. Step 3: Cross multiply
    109,848.30x = 164,772.45 × 99,350.70
  4. Step 4: Simplify right side
    109,848.30x = 16,370,258,248.22
  5. Step 5: Solve for x
    x = 16,370,258,248.22/109,848.30
  6. Step 6: Final answer
    x = 149,026.05

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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.