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Finding the Fourth Proportional to 162,647.01, 243,923.67 and 56,026.65

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Solution

The fourth proportional to 162,647.01, 243,923.67 and 56,026.65 is: 84,023.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,647.01 : 243,923.67 = 56,026.65 : x
  2. Step 2: Convert to fraction form
    162,647.01/243,923.67 = 56,026.65/x
  3. Step 3: Cross multiply
    162,647.01x = 243,923.67 × 56,026.65
  4. Step 4: Simplify right side
    162,647.01x = 13,666,226,085.81
  5. Step 5: Solve for x
    x = 13,666,226,085.81/162,647.01
  6. Step 6: Final answer
    x = 84,023.84

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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.