Home / 141,030.40-211,545.60-131,188.90

Finding the Fourth Proportional to 141,030.40, 211,545.60 and 131,188.90

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Solution

The fourth proportional to 141,030.40, 211,545.60 and 131,188.90 is: 196,783.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,030.40 : 211,545.60 = 131,188.90 : x
  2. Step 2: Convert to fraction form
    141,030.40/211,545.60 = 131,188.90/x
  3. Step 3: Cross multiply
    141,030.40x = 211,545.60 × 131,188.90
  4. Step 4: Simplify right side
    141,030.40x = 27,752,434,563.84
  5. Step 5: Solve for x
    x = 27,752,434,563.84/141,030.40
  6. Step 6: Final answer
    x = 196,783.35

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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.