Home / 131,435.60-197,081.40-64,729.04

Finding the Fourth Proportional to 131,435.60, 197,081.40 and 64,729.04

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Solution

The fourth proportional to 131,435.60, 197,081.40 and 64,729.04 is: 97,058.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,435.60 : 197,081.40 = 64,729.04 : x
  2. Step 2: Convert to fraction form
    131,435.60/197,081.40 = 64,729.04/x
  3. Step 3: Cross multiply
    131,435.60x = 197,081.40 × 64,729.04
  4. Step 4: Simplify right side
    131,435.60x = 12,756,889,823.86
  5. Step 5: Solve for x
    x = 12,756,889,823.86/131,435.60
  6. Step 6: Final answer
    x = 97,058.10

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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.