Home / 89,058.80-132,570.46-87,730.04

Finding the Fourth Proportional to 89,058.80, 132,570.46 and 87,730.04

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Solution

The fourth proportional to 89,058.80, 132,570.46 and 87,730.04 is: 130,592.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,058.80 : 132,570.46 = 87,730.04 : x
  2. Step 2: Convert to fraction form
    89,058.80/132,570.46 = 87,730.04/x
  3. Step 3: Cross multiply
    89,058.80x = 132,570.46 × 87,730.04
  4. Step 4: Simplify right side
    89,058.80x = 11,630,411,758.62
  5. Step 5: Solve for x
    x = 11,630,411,758.62/89,058.80
  6. Step 6: Final answer
    x = 130,592.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.