Home / 131,531.60-197,297.40-47,291.60

Finding the Fourth Proportional to 131,531.60, 197,297.40 and 47,291.60

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Solution

The fourth proportional to 131,531.60, 197,297.40 and 47,291.60 is: 70,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,531.60 : 197,297.40 = 47,291.60 : x
  2. Step 2: Convert to fraction form
    131,531.60/197,297.40 = 47,291.60/x
  3. Step 3: Cross multiply
    131,531.60x = 197,297.40 × 47,291.60
  4. Step 4: Simplify right side
    131,531.60x = 9,330,509,721.84
  5. Step 5: Solve for x
    x = 9,330,509,721.84/131,531.60
  6. Step 6: Final answer
    x = 70,937.40

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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.