Home / 258,783.63-357,113.03-144,058.53

Finding the Fourth Proportional to 258,783.63, 357,113.03 and 144,058.53

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Solution

The fourth proportional to 258,783.63, 357,113.03 and 144,058.53 is: 198,796.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,783.63 : 357,113.03 = 144,058.53 : x
  2. Step 2: Convert to fraction form
    258,783.63/357,113.03 = 144,058.53/x
  3. Step 3: Cross multiply
    258,783.63x = 357,113.03 × 144,058.53
  4. Step 4: Simplify right side
    258,783.63x = 51,445,178,145.65
  5. Step 5: Solve for x
    x = 51,445,178,145.65/258,783.63
  6. Step 6: Final answer
    x = 198,796.11

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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.