Home / 187,770.30-279,980.54-166,906.32

Finding the Fourth Proportional to 187,770.30, 279,980.54 and 166,906.32

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Solution

The fourth proportional to 187,770.30, 279,980.54 and 166,906.32 is: 248,870.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,770.30 : 279,980.54 = 166,906.32 : x
  2. Step 2: Convert to fraction form
    187,770.30/279,980.54 = 166,906.32/x
  3. Step 3: Cross multiply
    187,770.30x = 279,980.54 × 166,906.32
  4. Step 4: Simplify right side
    187,770.30x = 46,730,521,603.01
  5. Step 5: Solve for x
    x = 46,730,521,603.01/187,770.30
  6. Step 6: Final answer
    x = 248,870.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.