Home / 242,549.42-334,718.39-135,119.72

Finding the Fourth Proportional to 242,549.42, 334,718.39 and 135,119.72

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Solution

The fourth proportional to 242,549.42, 334,718.39 and 135,119.72 is: 186,465.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,549.42 : 334,718.39 = 135,119.72 : x
  2. Step 2: Convert to fraction form
    242,549.42/334,718.39 = 135,119.72/x
  3. Step 3: Cross multiply
    242,549.42x = 334,718.39 × 135,119.72
  4. Step 4: Simplify right side
    242,549.42x = 45,227,054,460.05
  5. Step 5: Solve for x
    x = 45,227,054,460.05/242,549.42
  6. Step 6: Final answer
    x = 186,465.32

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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.