Home / 154,313.13-231,345.13-141,857.49

Finding the Fourth Proportional to 154,313.13, 231,345.13 and 141,857.49

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Solution

The fourth proportional to 154,313.13, 231,345.13 and 141,857.49 is: 212,671.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,313.13 : 231,345.13 = 141,857.49 : x
  2. Step 2: Convert to fraction form
    154,313.13/231,345.13 = 141,857.49/x
  3. Step 3: Cross multiply
    154,313.13x = 231,345.13 × 141,857.49
  4. Step 4: Simplify right side
    154,313.13x = 32,818,039,465.52
  5. Step 5: Solve for x
    x = 32,818,039,465.52/154,313.13
  6. Step 6: Final answer
    x = 212,671.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.