Home / 160,305.28-221,207.36-88,684.16

Finding the Fourth Proportional to 160,305.28, 221,207.36 and 88,684.16

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Solution

The fourth proportional to 160,305.28, 221,207.36 and 88,684.16 is: 122,376.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,305.28 : 221,207.36 = 88,684.16 : x
  2. Step 2: Convert to fraction form
    160,305.28/221,207.36 = 88,684.16/x
  3. Step 3: Cross multiply
    160,305.28x = 221,207.36 × 88,684.16
  4. Step 4: Simplify right side
    160,305.28x = 19,617,588,907.42
  5. Step 5: Solve for x
    x = 19,617,588,907.42/160,305.28
  6. Step 6: Final answer
    x = 122,376.44

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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.