Home / 154,222.54-212,827.67-89,707.25

Finding the Fourth Proportional to 154,222.54, 212,827.67 and 89,707.25

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Solution

The fourth proportional to 154,222.54, 212,827.67 and 89,707.25 is: 123,796.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,222.54 : 212,827.67 = 89,707.25 : x
  2. Step 2: Convert to fraction form
    154,222.54/212,827.67 = 89,707.25/x
  3. Step 3: Cross multiply
    154,222.54x = 212,827.67 × 89,707.25
  4. Step 4: Simplify right side
    154,222.54x = 19,092,185,419.54
  5. Step 5: Solve for x
    x = 19,092,185,419.54/154,222.54
  6. Step 6: Final answer
    x = 123,796.34

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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.