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Finding the Fourth Proportional to 162,850.68, 244,308.20 and 78,669.40

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Solution

The fourth proportional to 162,850.68, 244,308.20 and 78,669.40 is: 118,019.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,850.68 : 244,308.20 = 78,669.40 : x
  2. Step 2: Convert to fraction form
    162,850.68/244,308.20 = 78,669.40/x
  3. Step 3: Cross multiply
    162,850.68x = 244,308.20 × 78,669.40
  4. Step 4: Simplify right side
    162,850.68x = 19,219,579,509.08
  5. Step 5: Solve for x
    x = 19,219,579,509.08/162,850.68
  6. Step 6: Final answer
    x = 118,019.65

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1.5x scale

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.