Home / 242,278.72-334,346.40-134,853.28

Finding the Fourth Proportional to 242,278.72, 334,346.40 and 134,853.28

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Solution

The fourth proportional to 242,278.72, 334,346.40 and 134,853.28 is: 186,098.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,278.72 : 334,346.40 = 134,853.28 : x
  2. Step 2: Convert to fraction form
    242,278.72/334,346.40 = 134,853.28/x
  3. Step 3: Cross multiply
    242,278.72x = 334,346.40 × 134,853.28
  4. Step 4: Simplify right side
    242,278.72x = 45,087,708,696.19
  5. Step 5: Solve for x
    x = 45,087,708,696.19/242,278.72
  6. Step 6: Final answer
    x = 186,098.51

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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.