Home / 131,838.80-197,753.40-52,931.60

Finding the Fourth Proportional to 131,838.80, 197,753.40 and 52,931.60

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Solution

The fourth proportional to 131,838.80, 197,753.40 and 52,931.60 is: 79,395.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,838.80 : 197,753.40 = 52,931.60 : x
  2. Step 2: Convert to fraction form
    131,838.80/197,753.40 = 52,931.60/x
  3. Step 3: Cross multiply
    131,838.80x = 197,753.40 × 52,931.60
  4. Step 4: Simplify right side
    131,838.80x = 10,467,403,867.44
  5. Step 5: Solve for x
    x = 10,467,403,867.44/131,838.80
  6. Step 6: Final answer
    x = 79,395.47

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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.