Home / 242,137.77-334,145.09-134,705.49

Finding the Fourth Proportional to 242,137.77, 334,145.09 and 134,705.49

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Solution

The fourth proportional to 242,137.77, 334,145.09 and 134,705.49 is: 185,890.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,137.77 : 334,145.09 = 134,705.49 : x
  2. Step 2: Convert to fraction form
    242,137.77/334,145.09 = 134,705.49/x
  3. Step 3: Cross multiply
    242,137.77x = 334,145.09 × 134,705.49
  4. Step 4: Simplify right side
    242,137.77x = 45,011,177,406.02
  5. Step 5: Solve for x
    x = 45,011,177,406.02/242,137.77
  6. Step 6: Final answer
    x = 185,890.77

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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.