Home / 223,059.02-307,810.92-121,082.18

Finding the Fourth Proportional to 223,059.02, 307,810.92 and 121,082.18

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Solution

The fourth proportional to 223,059.02, 307,810.92 and 121,082.18 is: 167,087.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,059.02 : 307,810.92 = 121,082.18 : x
  2. Step 2: Convert to fraction form
    223,059.02/307,810.92 = 121,082.18/x
  3. Step 3: Cross multiply
    223,059.02x = 307,810.92 × 121,082.18
  4. Step 4: Simplify right side
    223,059.02x = 37,270,417,221.41
  5. Step 5: Solve for x
    x = 37,270,417,221.41/223,059.02
  6. Step 6: Final answer
    x = 167,087.69

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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.