Home / 199,583.40-299,132.10-87,025.80

Finding the Fourth Proportional to 199,583.40, 299,132.10 and 87,025.80

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Solution

The fourth proportional to 199,583.40, 299,132.10 and 87,025.80 is: 130,432.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,583.40 : 299,132.10 = 87,025.80 : x
  2. Step 2: Convert to fraction form
    199,583.40/299,132.10 = 87,025.80/x
  3. Step 3: Cross multiply
    199,583.40x = 299,132.10 × 87,025.80
  4. Step 4: Simplify right side
    199,583.40x = 26,032,210,308.18
  5. Step 5: Solve for x
    x = 26,032,210,308.18/199,583.40
  6. Step 6: Final answer
    x = 130,432.74

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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.