Home / 154,465.18-231,279.61-109,300.89

Finding the Fourth Proportional to 154,465.18, 231,279.61 and 109,300.89

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Solution

The fourth proportional to 154,465.18, 231,279.61 and 109,300.89 is: 163,655.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,465.18 : 231,279.61 = 109,300.89 : x
  2. Step 2: Convert to fraction form
    154,465.18/231,279.61 = 109,300.89/x
  3. Step 3: Cross multiply
    154,465.18x = 231,279.61 × 109,300.89
  4. Step 4: Simplify right side
    154,465.18x = 25,279,066,938.60
  5. Step 5: Solve for x
    x = 25,279,066,938.60/154,465.18
  6. Step 6: Final answer
    x = 163,655.44

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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.