Home / 162,645.40-243,921.28-56,025.05

Finding the Fourth Proportional to 162,645.40, 243,921.28 and 56,025.05

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Solution

The fourth proportional to 162,645.40, 243,921.28 and 56,025.05 is: 84,021.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,645.40 : 243,921.28 = 56,025.05 : x
  2. Step 2: Convert to fraction form
    162,645.40/243,921.28 = 56,025.05/x
  3. Step 3: Cross multiply
    162,645.40x = 243,921.28 × 56,025.05
  4. Step 4: Simplify right side
    162,645.40x = 13,665,701,908.06
  5. Step 5: Solve for x
    x = 13,665,701,908.06/162,645.40
  6. Step 6: Final answer
    x = 84,021.45

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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.