Home / 152,318.53-210,199.55-85,250.53

Finding the Fourth Proportional to 152,318.53, 210,199.55 and 85,250.53

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Solution

The fourth proportional to 152,318.53, 210,199.55 and 85,250.53 is: 117,645.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,318.53 : 210,199.55 = 85,250.53 : x
  2. Step 2: Convert to fraction form
    152,318.53/210,199.55 = 85,250.53/x
  3. Step 3: Cross multiply
    152,318.53x = 210,199.55 × 85,250.53
  4. Step 4: Simplify right side
    152,318.53x = 17,919,622,617.01
  5. Step 5: Solve for x
    x = 17,919,622,617.01/152,318.53
  6. Step 6: Final answer
    x = 117,645.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.