Home / 161,981.40-242,793.90-56,746.20

Finding the Fourth Proportional to 161,981.40, 242,793.90 and 56,746.20

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Solution

The fourth proportional to 161,981.40, 242,793.90 and 56,746.20 is: 85,056.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,981.40 : 242,793.90 = 56,746.20 : x
  2. Step 2: Convert to fraction form
    161,981.40/242,793.90 = 56,746.20/x
  3. Step 3: Cross multiply
    161,981.40x = 242,793.90 × 56,746.20
  4. Step 4: Simplify right side
    161,981.40x = 13,777,631,208.18
  5. Step 5: Solve for x
    x = 13,777,631,208.18/161,981.40
  6. Step 6: Final answer
    x = 85,056.87

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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.