Home / 160,573.53-221,563.31-91,631.52

Finding the Fourth Proportional to 160,573.53, 221,563.31 and 91,631.52

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Solution

The fourth proportional to 160,573.53, 221,563.31 and 91,631.52 is: 126,435.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,573.53 : 221,563.31 = 91,631.52 : x
  2. Step 2: Convert to fraction form
    160,573.53/221,563.31 = 91,631.52/x
  3. Step 3: Cross multiply
    160,573.53x = 221,563.31 × 91,631.52
  4. Step 4: Simplify right side
    160,573.53x = 20,302,182,709.12
  5. Step 5: Solve for x
    x = 20,302,182,709.12/160,573.53
  6. Step 6: Final answer
    x = 126,435.42

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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.