Home / 182,068.80-272,811.60-115,389.60

Finding the Fourth Proportional to 182,068.80, 272,811.60 and 115,389.60

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Solution

The fourth proportional to 182,068.80, 272,811.60 and 115,389.60 is: 172,899.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,068.80 : 272,811.60 = 115,389.60 : x
  2. Step 2: Convert to fraction form
    182,068.80/272,811.60 = 115,389.60/x
  3. Step 3: Cross multiply
    182,068.80x = 272,811.60 × 115,389.60
  4. Step 4: Simplify right side
    182,068.80x = 31,479,621,399.36
  5. Step 5: Solve for x
    x = 31,479,621,399.36/182,068.80
  6. Step 6: Final answer
    x = 172,899.59

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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.