Home / 141,330.56-211,995.83-66,395.70

Finding the Fourth Proportional to 141,330.56, 211,995.83 and 66,395.70

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Solution

The fourth proportional to 141,330.56, 211,995.83 and 66,395.70 is: 99,593.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,330.56 : 211,995.83 = 66,395.70 : x
  2. Step 2: Convert to fraction form
    141,330.56/211,995.83 = 66,395.70/x
  3. Step 3: Cross multiply
    141,330.56x = 211,995.83 × 66,395.70
  4. Step 4: Simplify right side
    141,330.56x = 14,075,611,695.92
  5. Step 5: Solve for x
    x = 14,075,611,695.92/141,330.56
  6. Step 6: Final answer
    x = 99,593.55

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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.