Home / 160,234.15-221,114.12-87,622.63

Finding the Fourth Proportional to 160,234.15, 221,114.12 and 87,622.63

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Solution

The fourth proportional to 160,234.15, 221,114.12 and 87,622.63 is: 120,914.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,234.15 : 221,114.12 = 87,622.63 : x
  2. Step 2: Convert to fraction form
    160,234.15/221,114.12 = 87,622.63/x
  3. Step 3: Cross multiply
    160,234.15x = 221,114.12 × 87,622.63
  4. Step 4: Simplify right side
    160,234.15x = 19,374,600,226.51
  5. Step 5: Solve for x
    x = 19,374,600,226.51/160,234.15
  6. Step 6: Final answer
    x = 120,914.30

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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.