Home / 147,538.40-203,492.30-102,292.11

Finding the Fourth Proportional to 147,538.40, 203,492.30 and 102,292.11

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Solution

The fourth proportional to 147,538.40, 203,492.30 and 102,292.11 is: 141,086.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,538.40 : 203,492.30 = 102,292.11 : x
  2. Step 2: Convert to fraction form
    147,538.40/203,492.30 = 102,292.11/x
  3. Step 3: Cross multiply
    147,538.40x = 203,492.30 × 102,292.11
  4. Step 4: Simplify right side
    147,538.40x = 20,815,656,224.29
  5. Step 5: Solve for x
    x = 20,815,656,224.29/147,538.40
  6. Step 6: Final answer
    x = 141,086.37

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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.