Home / 162,156.83-243,345.97-56,975.81

Finding the Fourth Proportional to 162,156.83, 243,345.97 and 56,975.81

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Solution

The fourth proportional to 162,156.83, 243,345.97 and 56,975.81 is: 85,502.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,156.83 : 243,345.97 = 56,975.81 : x
  2. Step 2: Convert to fraction form
    162,156.83/243,345.97 = 56,975.81/x
  3. Step 3: Cross multiply
    162,156.83x = 243,345.97 × 56,975.81
  4. Step 4: Simplify right side
    162,156.83x = 13,864,833,750.99
  5. Step 5: Solve for x
    x = 13,864,833,750.99/162,156.83
  6. Step 6: Final answer
    x = 85,502.62

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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.