Home / 252,128.20-377,693.10-163,443.40

Finding the Fourth Proportional to 252,128.20, 377,693.10 and 163,443.40

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Solution

The fourth proportional to 252,128.20, 377,693.10 and 163,443.40 is: 244,841.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,128.20 : 377,693.10 = 163,443.40 : x
  2. Step 2: Convert to fraction form
    252,128.20/377,693.10 = 163,443.40/x
  3. Step 3: Cross multiply
    252,128.20x = 377,693.10 × 163,443.40
  4. Step 4: Simplify right side
    252,128.20x = 61,731,444,420.54
  5. Step 5: Solve for x
    x = 61,731,444,420.54/252,128.20
  6. Step 6: Final answer
    x = 244,841.49

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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.