Home / 161,722.10-242,583.15-73,075.70

Finding the Fourth Proportional to 161,722.10, 242,583.15 and 73,075.70

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Solution

The fourth proportional to 161,722.10, 242,583.15 and 73,075.70 is: 109,613.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,722.10 : 242,583.15 = 73,075.70 : x
  2. Step 2: Convert to fraction form
    161,722.10/242,583.15 = 73,075.70/x
  3. Step 3: Cross multiply
    161,722.10x = 242,583.15 × 73,075.70
  4. Step 4: Simplify right side
    161,722.10x = 17,726,933,494.46
  5. Step 5: Solve for x
    x = 17,726,933,494.46/161,722.10
  6. Step 6: Final answer
    x = 109,613.55

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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.