Home / 160,678.08-221,749.02-89,080.56

Finding the Fourth Proportional to 160,678.08, 221,749.02 and 89,080.56

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Solution

The fourth proportional to 160,678.08, 221,749.02 and 89,080.56 is: 122,938.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,678.08 : 221,749.02 = 89,080.56 : x
  2. Step 2: Convert to fraction form
    160,678.08/221,749.02 = 89,080.56/x
  3. Step 3: Cross multiply
    160,678.08x = 221,749.02 × 89,080.56
  4. Step 4: Simplify right side
    160,678.08x = 19,753,526,881.05
  5. Step 5: Solve for x
    x = 19,753,526,881.05/160,678.08
  6. Step 6: Final answer
    x = 122,938.53

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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.