Home / 242,404.68-334,547.79-139,076.70

Finding the Fourth Proportional to 242,404.68, 334,547.79 and 139,076.70

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Solution

The fourth proportional to 242,404.68, 334,547.79 and 139,076.70 is: 191,942.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,404.68 : 334,547.79 = 139,076.70 : x
  2. Step 2: Convert to fraction form
    242,404.68/334,547.79 = 139,076.70/x
  3. Step 3: Cross multiply
    242,404.68x = 334,547.79 × 139,076.70
  4. Step 4: Simplify right side
    242,404.68x = 46,527,800,849.40
  5. Step 5: Solve for x
    x = 46,527,800,849.40/242,404.68
  6. Step 6: Final answer
    x = 191,942.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.