Home / 160,328.52-221,353.74-102,990.96

Finding the Fourth Proportional to 160,328.52, 221,353.74 and 102,990.96

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Solution

The fourth proportional to 160,328.52, 221,353.74 and 102,990.96 is: 142,192.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,328.52 : 221,353.74 = 102,990.96 : x
  2. Step 2: Convert to fraction form
    160,328.52/221,353.74 = 102,990.96/x
  3. Step 3: Cross multiply
    160,328.52x = 221,353.74 × 102,990.96
  4. Step 4: Simplify right side
    160,328.52x = 22,797,434,182.19
  5. Step 5: Solve for x
    x = 22,797,434,182.19/160,328.52
  6. Step 6: Final answer
    x = 142,192.01

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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.