Home / 154,020.20-231,030.30-94,663.40

Finding the Fourth Proportional to 154,020.20, 231,030.30 and 94,663.40

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Solution

The fourth proportional to 154,020.20, 231,030.30 and 94,663.40 is: 141,995.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,020.20 : 231,030.30 = 94,663.40 : x
  2. Step 2: Convert to fraction form
    154,020.20/231,030.30 = 94,663.40/x
  3. Step 3: Cross multiply
    154,020.20x = 231,030.30 × 94,663.40
  4. Step 4: Simplify right side
    154,020.20x = 21,870,113,701.02
  5. Step 5: Solve for x
    x = 21,870,113,701.02/154,020.20
  6. Step 6: Final answer
    x = 141,995.10

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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.