Home / 137,250.60-205,875.90-131,807.40

Finding the Fourth Proportional to 137,250.60, 205,875.90 and 131,807.40

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Solution

The fourth proportional to 137,250.60, 205,875.90 and 131,807.40 is: 197,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,250.60 : 205,875.90 = 131,807.40 : x
  2. Step 2: Convert to fraction form
    137,250.60/205,875.90 = 131,807.40/x
  3. Step 3: Cross multiply
    137,250.60x = 205,875.90 × 131,807.40
  4. Step 4: Simplify right side
    137,250.60x = 27,135,967,101.66
  5. Step 5: Solve for x
    x = 27,135,967,101.66/137,250.60
  6. Step 6: Final answer
    x = 197,711.10

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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.