Home / 131,054.40-196,630.20-52,225.20

Finding the Fourth Proportional to 131,054.40, 196,630.20 and 52,225.20

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Solution

The fourth proportional to 131,054.40, 196,630.20 and 52,225.20 is: 78,357.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,054.40 : 196,630.20 = 52,225.20 : x
  2. Step 2: Convert to fraction form
    131,054.40/196,630.20 = 52,225.20/x
  3. Step 3: Cross multiply
    131,054.40x = 196,630.20 × 52,225.20
  4. Step 4: Simplify right side
    131,054.40x = 10,269,051,521.04
  5. Step 5: Solve for x
    x = 10,269,051,521.04/131,054.40
  6. Step 6: Final answer
    x = 78,357.17

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1.5x scale

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.