Home / 131,060.40-196,590.60-42,316.80

Finding the Fourth Proportional to 131,060.40, 196,590.60 and 42,316.80

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Solution

The fourth proportional to 131,060.40, 196,590.60 and 42,316.80 is: 63,475.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,060.40 : 196,590.60 = 42,316.80 : x
  2. Step 2: Convert to fraction form
    131,060.40/196,590.60 = 42,316.80/x
  3. Step 3: Cross multiply
    131,060.40x = 196,590.60 × 42,316.80
  4. Step 4: Simplify right side
    131,060.40x = 8,319,085,102.08
  5. Step 5: Solve for x
    x = 8,319,085,102.08/131,060.40
  6. Step 6: Final answer
    x = 63,475.20

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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.