Home / 102,912.15-154,368.23-36,427.35

Finding the Fourth Proportional to 102,912.15, 154,368.23 and 36,427.35

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Solution

The fourth proportional to 102,912.15, 154,368.23 and 36,427.35 is: 54,641.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,912.15 : 154,368.23 = 36,427.35 : x
  2. Step 2: Convert to fraction form
    102,912.15/154,368.23 = 36,427.35/x
  3. Step 3: Cross multiply
    102,912.15x = 154,368.23 × 36,427.35
  4. Step 4: Simplify right side
    102,912.15x = 5,623,225,360.95
  5. Step 5: Solve for x
    x = 5,623,225,360.95/102,912.15
  6. Step 6: Final answer
    x = 54,641.03

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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.