Home / 160,841.18-221,961.83-89,225.74

Finding the Fourth Proportional to 160,841.18, 221,961.83 and 89,225.74

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Solution

The fourth proportional to 160,841.18, 221,961.83 and 89,225.74 is: 123,132.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,841.18 : 221,961.83 = 89,225.74 : x
  2. Step 2: Convert to fraction form
    160,841.18/221,961.83 = 89,225.74/x
  3. Step 3: Cross multiply
    160,841.18x = 221,961.83 × 89,225.74
  4. Step 4: Simplify right side
    160,841.18x = 19,804,708,533.50
  5. Step 5: Solve for x
    x = 19,804,708,533.50/160,841.18
  6. Step 6: Final answer
    x = 123,132.08

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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.