Home / 258,288.52-356,444.76-142,000.58

Finding the Fourth Proportional to 258,288.52, 356,444.76 and 142,000.58

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Solution

The fourth proportional to 258,288.52, 356,444.76 and 142,000.58 is: 195,964.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,288.52 : 356,444.76 = 142,000.58 : x
  2. Step 2: Convert to fraction form
    258,288.52/356,444.76 = 142,000.58/x
  3. Step 3: Cross multiply
    258,288.52x = 356,444.76 × 142,000.58
  4. Step 4: Simplify right side
    258,288.52x = 50,615,362,657.96
  5. Step 5: Solve for x
    x = 50,615,362,657.96/258,288.52
  6. Step 6: Final answer
    x = 195,964.43

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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.