Home / 242,700.06-334,937.55-135,270.86

Finding the Fourth Proportional to 242,700.06, 334,937.55 and 135,270.86

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Solution

The fourth proportional to 242,700.06, 334,937.55 and 135,270.86 is: 186,680.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,700.06 : 334,937.55 = 135,270.86 : x
  2. Step 2: Convert to fraction form
    242,700.06/334,937.55 = 135,270.86/x
  3. Step 3: Cross multiply
    242,700.06x = 334,937.55 × 135,270.86
  4. Step 4: Simplify right side
    242,700.06x = 45,307,289,758.44
  5. Step 5: Solve for x
    x = 45,307,289,758.44/242,700.06
  6. Step 6: Final answer
    x = 186,680.18

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1.5x scale

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.