Home / 134,137.90-201,206.85-89,814.70

Finding the Fourth Proportional to 134,137.90, 201,206.85 and 89,814.70

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Solution

The fourth proportional to 134,137.90, 201,206.85 and 89,814.70 is: 134,722.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,137.90 : 201,206.85 = 89,814.70 : x
  2. Step 2: Convert to fraction form
    134,137.90/201,206.85 = 89,814.70/x
  3. Step 3: Cross multiply
    134,137.90x = 201,206.85 × 89,814.70
  4. Step 4: Simplify right side
    134,137.90x = 18,071,332,870.70
  5. Step 5: Solve for x
    x = 18,071,332,870.70/134,137.90
  6. Step 6: Final answer
    x = 134,722.05

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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.