Home / 258,787.32-357,136.98-144,070.68

Finding the Fourth Proportional to 258,787.32, 357,136.98 and 144,070.68

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Solution

The fourth proportional to 258,787.32, 357,136.98 and 144,070.68 is: 198,823.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,787.32 : 357,136.98 = 144,070.68 : x
  2. Step 2: Convert to fraction form
    258,787.32/357,136.98 = 144,070.68/x
  3. Step 3: Cross multiply
    258,787.32x = 357,136.98 × 144,070.68
  4. Step 4: Simplify right side
    258,787.32x = 51,452,967,561.75
  5. Step 5: Solve for x
    x = 51,452,967,561.75/258,787.32
  6. Step 6: Final answer
    x = 198,823.37

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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.