Home / 175,784.58-242,515.80-129,954.30

Finding the Fourth Proportional to 175,784.58, 242,515.80 and 129,954.30

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Solution

The fourth proportional to 175,784.58, 242,515.80 and 129,954.30 is: 179,287.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,784.58 : 242,515.80 = 129,954.30 : x
  2. Step 2: Convert to fraction form
    175,784.58/242,515.80 = 129,954.30/x
  3. Step 3: Cross multiply
    175,784.58x = 242,515.80 × 129,954.30
  4. Step 4: Simplify right side
    175,784.58x = 31,515,971,027.94
  5. Step 5: Solve for x
    x = 31,515,971,027.94/175,784.58
  6. Step 6: Final answer
    x = 179,287.46

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1.5x scale

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.