Home / 242,206.16-334,235.04-134,780.72

Finding the Fourth Proportional to 242,206.16, 334,235.04 and 134,780.72

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Solution

The fourth proportional to 242,206.16, 334,235.04 and 134,780.72 is: 185,992.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,206.16 : 334,235.04 = 134,780.72 : x
  2. Step 2: Convert to fraction form
    242,206.16/334,235.04 = 134,780.72/x
  3. Step 3: Cross multiply
    242,206.16x = 334,235.04 × 134,780.72
  4. Step 4: Simplify right side
    242,206.16x = 45,048,439,340.43
  5. Step 5: Solve for x
    x = 45,048,439,340.43/242,206.16
  6. Step 6: Final answer
    x = 185,992.13

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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.