Home / 131,807.10-197,710.65-60,729.60

Finding the Fourth Proportional to 131,807.10, 197,710.65 and 60,729.60

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Solution

The fourth proportional to 131,807.10, 197,710.65 and 60,729.60 is: 91,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,807.10 : 197,710.65 = 60,729.60 : x
  2. Step 2: Convert to fraction form
    131,807.10/197,710.65 = 60,729.60/x
  3. Step 3: Cross multiply
    131,807.10x = 197,710.65 × 60,729.60
  4. Step 4: Simplify right side
    131,807.10x = 12,006,888,690.24
  5. Step 5: Solve for x
    x = 12,006,888,690.24/131,807.10
  6. Step 6: Final answer
    x = 91,094.40

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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.