Home / 161,737.99-223,195.45-90,116.47

Finding the Fourth Proportional to 161,737.99, 223,195.45 and 90,116.47

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Solution

The fourth proportional to 161,737.99, 223,195.45 and 90,116.47 is: 124,359.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,737.99 : 223,195.45 = 90,116.47 : x
  2. Step 2: Convert to fraction form
    161,737.99/223,195.45 = 90,116.47/x
  3. Step 3: Cross multiply
    161,737.99x = 223,195.45 × 90,116.47
  4. Step 4: Simplify right side
    161,737.99x = 20,113,586,074.06
  5. Step 5: Solve for x
    x = 20,113,586,074.06/161,737.99
  6. Step 6: Final answer
    x = 124,359.07

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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.