Home / 162,389.92-243,579.36-57,206.12

Finding the Fourth Proportional to 162,389.92, 243,579.36 and 57,206.12

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Solution

The fourth proportional to 162,389.92, 243,579.36 and 57,206.12 is: 85,807.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,389.92 : 243,579.36 = 57,206.12 : x
  2. Step 2: Convert to fraction form
    162,389.92/243,579.36 = 57,206.12/x
  3. Step 3: Cross multiply
    162,389.92x = 243,579.36 × 57,206.12
  4. Step 4: Simplify right side
    162,389.92x = 13,934,230,097.68
  5. Step 5: Solve for x
    x = 13,934,230,097.68/162,389.92
  6. Step 6: Final answer
    x = 85,807.24

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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.