Home / 154,789.02-213,646.96-94,393

Finding the Fourth Proportional to 154,789.02, 213,646.96 and 94,393

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Solution

The fourth proportional to 154,789.02, 213,646.96 and 94,393 is: 130,285.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,789.02 : 213,646.96 = 94,393 : x
  2. Step 2: Convert to fraction form
    154,789.02/213,646.96 = 94,393/x
  3. Step 3: Cross multiply
    154,789.02x = 213,646.96 × 94,393
  4. Step 4: Simplify right side
    154,789.02x = 20,166,777,495.28
  5. Step 5: Solve for x
    x = 20,166,777,495.28/154,789.02
  6. Step 6: Final answer
    x = 130,285.58

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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.