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Finding the Fourth Proportional to 115,533.59, 159,420.58 and 64,540.02

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Solution

The fourth proportional to 115,533.59, 159,420.58 and 64,540.02 is: 89,056.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,533.59 : 159,420.58 = 64,540.02 : x
  2. Step 2: Convert to fraction form
    115,533.59/159,420.58 = 64,540.02/x
  3. Step 3: Cross multiply
    115,533.59x = 159,420.58 × 64,540.02
  4. Step 4: Simplify right side
    115,533.59x = 10,289,006,694.50
  5. Step 5: Solve for x
    x = 10,289,006,694.50/115,533.59
  6. Step 6: Final answer
    x = 89,056.41

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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.