Home / 210,232.20-290,361.78-153,125.94

Finding the Fourth Proportional to 210,232.20, 290,361.78 and 153,125.94

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Solution

The fourth proportional to 210,232.20, 290,361.78 and 153,125.94 is: 211,489.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,232.20 : 290,361.78 = 153,125.94 : x
  2. Step 2: Convert to fraction form
    210,232.20/290,361.78 = 153,125.94/x
  3. Step 3: Cross multiply
    210,232.20x = 290,361.78 × 153,125.94
  4. Step 4: Simplify right side
    210,232.20x = 44,461,920,502.57
  5. Step 5: Solve for x
    x = 44,461,920,502.57/210,232.20
  6. Step 6: Final answer
    x = 211,489.58

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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.