Home / 109,870.30-164,902.65-94,123.90

Finding the Fourth Proportional to 109,870.30, 164,902.65 and 94,123.90

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Solution

The fourth proportional to 109,870.30, 164,902.65 and 94,123.90 is: 141,269.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,870.30 : 164,902.65 = 94,123.90 : x
  2. Step 2: Convert to fraction form
    109,870.30/164,902.65 = 94,123.90/x
  3. Step 3: Cross multiply
    109,870.30x = 164,902.65 × 94,123.90
  4. Step 4: Simplify right side
    109,870.30x = 15,521,280,538.34
  5. Step 5: Solve for x
    x = 15,521,280,538.34/109,870.30
  6. Step 6: Final answer
    x = 141,269.12

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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.