Home / 102,363.19-141,291.62-64,662.55

Finding the Fourth Proportional to 102,363.19, 141,291.62 and 64,662.55

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Solution

The fourth proportional to 102,363.19, 141,291.62 and 64,662.55 is: 89,253.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,363.19 : 141,291.62 = 64,662.55 : x
  2. Step 2: Convert to fraction form
    102,363.19/141,291.62 = 64,662.55/x
  3. Step 3: Cross multiply
    102,363.19x = 141,291.62 × 64,662.55
  4. Step 4: Simplify right side
    102,363.19x = 9,136,276,442.83
  5. Step 5: Solve for x
    x = 9,136,276,442.83/102,363.19
  6. Step 6: Final answer
    x = 89,253.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.