Home / 162,146.20-243,368.81-82,240.24

Finding the Fourth Proportional to 162,146.20, 243,368.81 and 82,240.24

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Solution

The fourth proportional to 162,146.20, 243,368.81 and 82,240.24 is: 123,436.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,146.20 : 243,368.81 = 82,240.24 : x
  2. Step 2: Convert to fraction form
    162,146.20/243,368.81 = 82,240.24/x
  3. Step 3: Cross multiply
    162,146.20x = 243,368.81 × 82,240.24
  4. Step 4: Simplify right side
    162,146.20x = 20,014,709,342.91
  5. Step 5: Solve for x
    x = 20,014,709,342.91/162,146.20
  6. Step 6: Final answer
    x = 123,436.19

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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.