Home / 131,100.40-196,699.20-52,271.20

Finding the Fourth Proportional to 131,100.40, 196,699.20 and 52,271.20

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Solution

The fourth proportional to 131,100.40, 196,699.20 and 52,271.20 is: 78,426.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,100.40 : 196,699.20 = 52,271.20 : x
  2. Step 2: Convert to fraction form
    131,100.40/196,699.20 = 52,271.20/x
  3. Step 3: Cross multiply
    131,100.40x = 196,699.20 × 52,271.20
  4. Step 4: Simplify right side
    131,100.40x = 10,281,703,223.04
  5. Step 5: Solve for x
    x = 10,281,703,223.04/131,100.40
  6. Step 6: Final answer
    x = 78,426.18

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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.