Home / 252,088.16-378,131.21-102,327.18

Finding the Fourth Proportional to 252,088.16, 378,131.21 and 102,327.18

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Solution

The fourth proportional to 252,088.16, 378,131.21 and 102,327.18 is: 153,490.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,088.16 : 378,131.21 = 102,327.18 : x
  2. Step 2: Convert to fraction form
    252,088.16/378,131.21 = 102,327.18/x
  3. Step 3: Cross multiply
    252,088.16x = 378,131.21 × 102,327.18
  4. Step 4: Simplify right side
    252,088.16x = 38,693,099,877.65
  5. Step 5: Solve for x
    x = 38,693,099,877.65/252,088.16
  6. Step 6: Final answer
    x = 153,490.35

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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.