Home / 161,317.68-242,007.04-53,253.15

Finding the Fourth Proportional to 161,317.68, 242,007.04 and 53,253.15

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Solution

The fourth proportional to 161,317.68, 242,007.04 and 53,253.15 is: 79,889.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,317.68 : 242,007.04 = 53,253.15 : x
  2. Step 2: Convert to fraction form
    161,317.68/242,007.04 = 53,253.15/x
  3. Step 3: Cross multiply
    161,317.68x = 242,007.04 × 53,253.15
  4. Step 4: Simplify right side
    161,317.68x = 12,887,636,361.22
  5. Step 5: Solve for x
    x = 12,887,636,361.22/161,317.68
  6. Step 6: Final answer
    x = 79,889.80

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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.