Home / 160,823.12-221,925.03-89,200.40

Finding the Fourth Proportional to 160,823.12, 221,925.03 and 89,200.40

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Solution

The fourth proportional to 160,823.12, 221,925.03 and 89,200.40 is: 123,090.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,823.12 : 221,925.03 = 89,200.40 : x
  2. Step 2: Convert to fraction form
    160,823.12/221,925.03 = 89,200.40/x
  3. Step 3: Cross multiply
    160,823.12x = 221,925.03 × 89,200.40
  4. Step 4: Simplify right side
    160,823.12x = 19,795,801,446.01
  5. Step 5: Solve for x
    x = 19,795,801,446.01/160,823.12
  6. Step 6: Final answer
    x = 123,090.52

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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.