Home / 258,742.10-357,054.81-144,016.94

Finding the Fourth Proportional to 258,742.10, 357,054.81 and 144,016.94

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Solution

The fourth proportional to 258,742.10, 357,054.81 and 144,016.94 is: 198,738.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,742.10 : 357,054.81 = 144,016.94 : x
  2. Step 2: Convert to fraction form
    258,742.10/357,054.81 = 144,016.94/x
  3. Step 3: Cross multiply
    258,742.10x = 357,054.81 × 144,016.94
  4. Step 4: Simplify right side
    258,742.10x = 51,421,941,148.48
  5. Step 5: Solve for x
    x = 51,421,941,148.48/258,742.10
  6. Step 6: Final answer
    x = 198,738.21

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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.