Home / 258,018.48-356,063.04-144,840.42

Finding the Fourth Proportional to 258,018.48, 356,063.04 and 144,840.42

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Solution

The fourth proportional to 258,018.48, 356,063.04 and 144,840.42 is: 199,878.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,018.48 : 356,063.04 = 144,840.42 : x
  2. Step 2: Convert to fraction form
    258,018.48/356,063.04 = 144,840.42/x
  3. Step 3: Cross multiply
    258,018.48x = 356,063.04 × 144,840.42
  4. Step 4: Simplify right side
    258,018.48x = 51,572,320,260.08
  5. Step 5: Solve for x
    x = 51,572,320,260.08/258,018.48
  6. Step 6: Final answer
    x = 199,878.40

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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.