Home / 162,009.20-243,086.70-56,903.60

Finding the Fourth Proportional to 162,009.20, 243,086.70 and 56,903.60

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Solution

The fourth proportional to 162,009.20, 243,086.70 and 56,903.60 is: 85,381.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,009.20 : 243,086.70 = 56,903.60 : x
  2. Step 2: Convert to fraction form
    162,009.20/243,086.70 = 56,903.60/x
  3. Step 3: Cross multiply
    162,009.20x = 243,086.70 × 56,903.60
  4. Step 4: Simplify right side
    162,009.20x = 13,832,508,342.12
  5. Step 5: Solve for x
    x = 13,832,508,342.12/162,009.20
  6. Step 6: Final answer
    x = 85,381.01

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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.