Home / 162,217.72-243,349.73-49,907.30

Finding the Fourth Proportional to 162,217.72, 243,349.73 and 49,907.30

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Solution

The fourth proportional to 162,217.72, 243,349.73 and 49,907.30 is: 74,868.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,217.72 : 243,349.73 = 49,907.30 : x
  2. Step 2: Convert to fraction form
    162,217.72/243,349.73 = 49,907.30/x
  3. Step 3: Cross multiply
    162,217.72x = 243,349.73 × 49,907.30
  4. Step 4: Simplify right side
    162,217.72x = 12,144,927,730.49
  5. Step 5: Solve for x
    x = 12,144,927,730.49/162,217.72
  6. Step 6: Final answer
    x = 74,868.07

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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.