Home / 258,760.42-357,086.55-144,038.50

Finding the Fourth Proportional to 258,760.42, 357,086.55 and 144,038.50

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Solution

The fourth proportional to 258,760.42, 357,086.55 and 144,038.50 is: 198,771.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,760.42 : 357,086.55 = 144,038.50 : x
  2. Step 2: Convert to fraction form
    258,760.42/357,086.55 = 144,038.50/x
  3. Step 3: Cross multiply
    258,760.42x = 357,086.55 × 144,038.50
  4. Step 4: Simplify right side
    258,760.42x = 51,434,211,032.18
  5. Step 5: Solve for x
    x = 51,434,211,032.18/258,760.42
  6. Step 6: Final answer
    x = 198,771.55

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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.