Home / 160,359.84-221,300.19-103,869.54

Finding the Fourth Proportional to 160,359.84, 221,300.19 and 103,869.54

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Solution

The fourth proportional to 160,359.84, 221,300.19 and 103,869.54 is: 143,342.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,359.84 : 221,300.19 = 103,869.54 : x
  2. Step 2: Convert to fraction form
    160,359.84/221,300.19 = 103,869.54/x
  3. Step 3: Cross multiply
    160,359.84x = 221,300.19 × 103,869.54
  4. Step 4: Simplify right side
    160,359.84x = 22,986,348,937.21
  5. Step 5: Solve for x
    x = 22,986,348,937.21/160,359.84
  6. Step 6: Final answer
    x = 143,342.30

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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.