Home / 161,922.90-242,811.45-73,130.70

Finding the Fourth Proportional to 161,922.90, 242,811.45 and 73,130.70

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Solution

The fourth proportional to 161,922.90, 242,811.45 and 73,130.70 is: 109,663.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,922.90 : 242,811.45 = 73,130.70 : x
  2. Step 2: Convert to fraction form
    161,922.90/242,811.45 = 73,130.70/x
  3. Step 3: Cross multiply
    161,922.90x = 242,811.45 × 73,130.70
  4. Step 4: Simplify right side
    161,922.90x = 17,756,971,306.52
  5. Step 5: Solve for x
    x = 17,756,971,306.52/161,922.90
  6. Step 6: Final answer
    x = 109,663.13

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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.