Home / 161,738.10-242,607.15-147,222.90

Finding the Fourth Proportional to 161,738.10, 242,607.15 and 147,222.90

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Solution

The fourth proportional to 161,738.10, 242,607.15 and 147,222.90 is: 220,834.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,738.10 : 242,607.15 = 147,222.90 : x
  2. Step 2: Convert to fraction form
    161,738.10/242,607.15 = 147,222.90/x
  3. Step 3: Cross multiply
    161,738.10x = 242,607.15 × 147,222.90
  4. Step 4: Simplify right side
    161,738.10x = 35,717,328,183.74
  5. Step 5: Solve for x
    x = 35,717,328,183.74/161,738.10
  6. Step 6: Final answer
    x = 220,834.35

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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.