Home / 160,454.48-221,324.52-128,699.60

Finding the Fourth Proportional to 160,454.48, 221,324.52 and 128,699.60

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Solution

The fourth proportional to 160,454.48, 221,324.52 and 128,699.60 is: 177,523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,454.48 : 221,324.52 = 128,699.60 : x
  2. Step 2: Convert to fraction form
    160,454.48/221,324.52 = 128,699.60/x
  3. Step 3: Cross multiply
    160,454.48x = 221,324.52 × 128,699.60
  4. Step 4: Simplify right side
    160,454.48x = 28,484,377,194.19
  5. Step 5: Solve for x
    x = 28,484,377,194.19/160,454.48
  6. Step 6: Final answer
    x = 177,523.10

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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.