Home / 156,159.84-234,333.06-143,454.97

Finding the Fourth Proportional to 156,159.84, 234,333.06 and 143,454.97

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Solution

The fourth proportional to 156,159.84, 234,333.06 and 143,454.97 is: 215,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,159.84 : 234,333.06 = 143,454.97 : x
  2. Step 2: Convert to fraction form
    156,159.84/234,333.06 = 143,454.97/x
  3. Step 3: Cross multiply
    156,159.84x = 234,333.06 × 143,454.97
  4. Step 4: Simplify right side
    156,159.84x = 33,616,240,968.52
  5. Step 5: Solve for x
    x = 33,616,240,968.52/156,159.84
  6. Step 6: Final answer
    x = 215,268.15

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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.