Home / 162,107.32-243,160.24-43,790.80

Finding the Fourth Proportional to 162,107.32, 243,160.24 and 43,790.80

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Solution

The fourth proportional to 162,107.32, 243,160.24 and 43,790.80 is: 65,686.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,107.32 : 243,160.24 = 43,790.80 : x
  2. Step 2: Convert to fraction form
    162,107.32/243,160.24 = 43,790.80/x
  3. Step 3: Cross multiply
    162,107.32x = 243,160.24 × 43,790.80
  4. Step 4: Simplify right side
    162,107.32x = 10,648,181,437.79
  5. Step 5: Solve for x
    x = 10,648,181,437.79/162,107.32
  6. Step 6: Final answer
    x = 65,686.00

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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.