Home / 160,247.71-221,209.92-99,848.19

Finding the Fourth Proportional to 160,247.71, 221,209.92 and 99,848.19

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Solution

The fourth proportional to 160,247.71, 221,209.92 and 99,848.19 is: 137,832.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,247.71 : 221,209.92 = 99,848.19 : x
  2. Step 2: Convert to fraction form
    160,247.71/221,209.92 = 99,848.19/x
  3. Step 3: Cross multiply
    160,247.71x = 221,209.92 × 99,848.19
  4. Step 4: Simplify right side
    160,247.71x = 22,087,410,122.04
  5. Step 5: Solve for x
    x = 22,087,410,122.04/160,247.71
  6. Step 6: Final answer
    x = 137,832.92

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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.