Home / 242,599.20-334,811.52-135,186.72

Finding the Fourth Proportional to 242,599.20, 334,811.52 and 135,186.72

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Solution

The fourth proportional to 242,599.20, 334,811.52 and 135,186.72 is: 186,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,599.20 : 334,811.52 = 135,186.72 : x
  2. Step 2: Convert to fraction form
    242,599.20/334,811.52 = 135,186.72/x
  3. Step 3: Cross multiply
    242,599.20x = 334,811.52 × 135,186.72
  4. Step 4: Simplify right side
    242,599.20x = 45,262,071,207.01
  5. Step 5: Solve for x
    x = 45,262,071,207.01/242,599.20
  6. Step 6: Final answer
    x = 186,571.40

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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.