Home / 153,280.46-211,585.88-115,150.61

Finding the Fourth Proportional to 153,280.46, 211,585.88 and 115,150.61

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Solution

The fourth proportional to 153,280.46, 211,585.88 and 115,150.61 is: 158,952.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,280.46 : 211,585.88 = 115,150.61 : x
  2. Step 2: Convert to fraction form
    153,280.46/211,585.88 = 115,150.61/x
  3. Step 3: Cross multiply
    153,280.46x = 211,585.88 × 115,150.61
  4. Step 4: Simplify right side
    153,280.46x = 24,364,243,149.39
  5. Step 5: Solve for x
    x = 24,364,243,149.39/153,280.46
  6. Step 6: Final answer
    x = 158,952.05

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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.