Home / 161,705.70-242,558.55-154,880.10

Finding the Fourth Proportional to 161,705.70, 242,558.55 and 154,880.10

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Solution

The fourth proportional to 161,705.70, 242,558.55 and 154,880.10 is: 232,320.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,705.70 : 242,558.55 = 154,880.10 : x
  2. Step 2: Convert to fraction form
    161,705.70/242,558.55 = 154,880.10/x
  3. Step 3: Cross multiply
    161,705.70x = 242,558.55 × 154,880.10
  4. Step 4: Simplify right side
    161,705.70x = 37,567,492,479.86
  5. Step 5: Solve for x
    x = 37,567,492,479.86/161,705.70
  6. Step 6: Final answer
    x = 232,320.15

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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.