Home / 160,784.32-221,895.84-93,720.64

Finding the Fourth Proportional to 160,784.32, 221,895.84 and 93,720.64

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Solution

The fourth proportional to 160,784.32, 221,895.84 and 93,720.64 is: 129,342.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,784.32 : 221,895.84 = 93,720.64 : x
  2. Step 2: Convert to fraction form
    160,784.32/221,895.84 = 93,720.64/x
  3. Step 3: Cross multiply
    160,784.32x = 221,895.84 × 93,720.64
  4. Step 4: Simplify right side
    160,784.32x = 20,796,220,138.14
  5. Step 5: Solve for x
    x = 20,796,220,138.14/160,784.32
  6. Step 6: Final answer
    x = 129,342.34

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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.