Home / 131,029.60-196,414.80-52,038.40

Finding the Fourth Proportional to 131,029.60, 196,414.80 and 52,038.40

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Solution

The fourth proportional to 131,029.60, 196,414.80 and 52,038.40 is: 78,006.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,029.60 : 196,414.80 = 52,038.40 : x
  2. Step 2: Convert to fraction form
    131,029.60/196,414.80 = 52,038.40/x
  3. Step 3: Cross multiply
    131,029.60x = 196,414.80 × 52,038.40
  4. Step 4: Simplify right side
    131,029.60x = 10,221,111,928.32
  5. Step 5: Solve for x
    x = 10,221,111,928.32/131,029.60
  6. Step 6: Final answer
    x = 78,006.13

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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.