Home / 252,089.16-378,132.70-102,328.18

Finding the Fourth Proportional to 252,089.16, 378,132.70 and 102,328.18

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Solution

The fourth proportional to 252,089.16, 378,132.70 and 102,328.18 is: 153,491.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,089.16 : 378,132.70 = 102,328.18 : x
  2. Step 2: Convert to fraction form
    252,089.16/378,132.70 = 102,328.18/x
  3. Step 3: Cross multiply
    252,089.16x = 378,132.70 × 102,328.18
  4. Step 4: Simplify right side
    252,089.16x = 38,693,630,989.49
  5. Step 5: Solve for x
    x = 38,693,630,989.49/252,089.16
  6. Step 6: Final answer
    x = 153,491.85

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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.