Home / 87,252.40-130,705.80-52,087.60

Finding the Fourth Proportional to 87,252.40, 130,705.80 and 52,087.60

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Solution

The fourth proportional to 87,252.40, 130,705.80 and 52,087.60 is: 78,028.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,252.40 : 130,705.80 = 52,087.60 : x
  2. Step 2: Convert to fraction form
    87,252.40/130,705.80 = 52,087.60/x
  3. Step 3: Cross multiply
    87,252.40x = 130,705.80 × 52,087.60
  4. Step 4: Simplify right side
    87,252.40x = 6,808,151,428.08
  5. Step 5: Solve for x
    x = 6,808,151,428.08/87,252.40
  6. Step 6: Final answer
    x = 78,028.24

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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.