Home / 258,803.12-357,141.35-144,081.77

Finding the Fourth Proportional to 258,803.12, 357,141.35 and 144,081.77

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Solution

The fourth proportional to 258,803.12, 357,141.35 and 144,081.77 is: 198,828.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,803.12 : 357,141.35 = 144,081.77 : x
  2. Step 2: Convert to fraction form
    258,803.12/357,141.35 = 144,081.77/x
  3. Step 3: Cross multiply
    258,803.12x = 357,141.35 × 144,081.77
  4. Step 4: Simplify right side
    258,803.12x = 51,457,555,342.07
  5. Step 5: Solve for x
    x = 51,457,555,342.07/258,803.12
  6. Step 6: Final answer
    x = 198,828.96

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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.