Home / 161,869.10-242,803.65-122,503.10

Finding the Fourth Proportional to 161,869.10, 242,803.65 and 122,503.10

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Solution

The fourth proportional to 161,869.10, 242,803.65 and 122,503.10 is: 183,754.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,869.10 : 242,803.65 = 122,503.10 : x
  2. Step 2: Convert to fraction form
    161,869.10/242,803.65 = 122,503.10/x
  3. Step 3: Cross multiply
    161,869.10x = 242,803.65 × 122,503.10
  4. Step 4: Simplify right side
    161,869.10x = 29,744,199,816.32
  5. Step 5: Solve for x
    x = 29,744,199,816.32/161,869.10
  6. Step 6: Final answer
    x = 183,754.65

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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.