Home / 154,528.61-231,755.45-42,209.35

Finding the Fourth Proportional to 154,528.61, 231,755.45 and 42,209.35

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Solution

The fourth proportional to 154,528.61, 231,755.45 and 42,209.35 is: 63,303.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,528.61 : 231,755.45 = 42,209.35 : x
  2. Step 2: Convert to fraction form
    154,528.61/231,755.45 = 42,209.35/x
  3. Step 3: Cross multiply
    154,528.61x = 231,755.45 × 42,209.35
  4. Step 4: Simplify right side
    154,528.61x = 9,782,246,903.46
  5. Step 5: Solve for x
    x = 9,782,246,903.46/154,528.61
  6. Step 6: Final answer
    x = 63,303.79

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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.