Home / 160,246.83-221,208.72-99,847.32

Finding the Fourth Proportional to 160,246.83, 221,208.72 and 99,847.32

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Solution

The fourth proportional to 160,246.83, 221,208.72 and 99,847.32 is: 137,831.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,246.83 : 221,208.72 = 99,847.32 : x
  2. Step 2: Convert to fraction form
    160,246.83/221,208.72 = 99,847.32/x
  3. Step 3: Cross multiply
    160,246.83x = 221,208.72 × 99,847.32
  4. Step 4: Simplify right side
    160,246.83x = 22,087,096,648.67
  5. Step 5: Solve for x
    x = 22,087,096,648.67/160,246.83
  6. Step 6: Final answer
    x = 137,831.72

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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.