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Finding the Fourth Proportional to 161,533.71, 242,300.82 and 43,205.07

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Solution

The fourth proportional to 161,533.71, 242,300.82 and 43,205.07 is: 64,807.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,533.71 : 242,300.82 = 43,205.07 : x
  2. Step 2: Convert to fraction form
    161,533.71/242,300.82 = 43,205.07/x
  3. Step 3: Cross multiply
    161,533.71x = 242,300.82 × 43,205.07
  4. Step 4: Simplify right side
    161,533.71x = 10,468,623,889.16
  5. Step 5: Solve for x
    x = 10,468,623,889.16/161,533.71
  6. Step 6: Final answer
    x = 64,807.67

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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.