Home / 161,554.86-242,332.38-72,704.58

Finding the Fourth Proportional to 161,554.86, 242,332.38 and 72,704.58

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Solution

The fourth proportional to 161,554.86, 242,332.38 and 72,704.58 is: 109,056.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,554.86 : 242,332.38 = 72,704.58 : x
  2. Step 2: Convert to fraction form
    161,554.86/242,332.38 = 72,704.58/x
  3. Step 3: Cross multiply
    161,554.86x = 242,332.38 × 72,704.58
  4. Step 4: Simplify right side
    161,554.86x = 17,618,673,908.30
  5. Step 5: Solve for x
    x = 17,618,673,908.30/161,554.86
  6. Step 6: Final answer
    x = 109,056.91

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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.