Home / 160,330.79-221,387.28-102,998.59

Finding the Fourth Proportional to 160,330.79, 221,387.28 and 102,998.59

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Solution

The fourth proportional to 160,330.79, 221,387.28 and 102,998.59 is: 142,222.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,330.79 : 221,387.28 = 102,998.59 : x
  2. Step 2: Convert to fraction form
    160,330.79/221,387.28 = 102,998.59/x
  3. Step 3: Cross multiply
    160,330.79x = 221,387.28 × 102,998.59
  4. Step 4: Simplify right side
    160,330.79x = 22,802,576,744.22
  5. Step 5: Solve for x
    x = 22,802,576,744.22/160,330.79
  6. Step 6: Final answer
    x = 142,222.07

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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.