Home / 102,983.40-154,572.30-63,617.40

Finding the Fourth Proportional to 102,983.40, 154,572.30 and 63,617.40

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Solution

The fourth proportional to 102,983.40, 154,572.30 and 63,617.40 is: 95,486.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,983.40 : 154,572.30 = 63,617.40 : x
  2. Step 2: Convert to fraction form
    102,983.40/154,572.30 = 63,617.40/x
  3. Step 3: Cross multiply
    102,983.40x = 154,572.30 × 63,617.40
  4. Step 4: Simplify right side
    102,983.40x = 9,833,487,838.02
  5. Step 5: Solve for x
    x = 9,833,487,838.02/102,983.40
  6. Step 6: Final answer
    x = 95,486.14

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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.