Home / 160,739.02-221,815.83-89,118.82

Finding the Fourth Proportional to 160,739.02, 221,815.83 and 89,118.82

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Solution

The fourth proportional to 160,739.02, 221,815.83 and 89,118.82 is: 122,981.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,739.02 : 221,815.83 = 89,118.82 : x
  2. Step 2: Convert to fraction form
    160,739.02/221,815.83 = 89,118.82/x
  3. Step 3: Cross multiply
    160,739.02x = 221,815.83 × 89,118.82
  4. Step 4: Simplify right side
    160,739.02x = 19,767,965,026.92
  5. Step 5: Solve for x
    x = 19,767,965,026.92/160,739.02
  6. Step 6: Final answer
    x = 122,981.74

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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.