Home / 188,827.20-283,132.80-70,502.40

Finding the Fourth Proportional to 188,827.20, 283,132.80 and 70,502.40

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Solution

The fourth proportional to 188,827.20, 283,132.80 and 70,502.40 is: 105,713.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,827.20 : 283,132.80 = 70,502.40 : x
  2. Step 2: Convert to fraction form
    188,827.20/283,132.80 = 70,502.40/x
  3. Step 3: Cross multiply
    188,827.20x = 283,132.80 × 70,502.40
  4. Step 4: Simplify right side
    188,827.20x = 19,961,541,918.72
  5. Step 5: Solve for x
    x = 19,961,541,918.72/188,827.20
  6. Step 6: Final answer
    x = 105,713.28

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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.