Home / 189,531.83-261,547.08-104,647.07

Finding the Fourth Proportional to 189,531.83, 261,547.08 and 104,647.07

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Solution

The fourth proportional to 189,531.83, 261,547.08 and 104,647.07 is: 144,409.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,531.83 : 261,547.08 = 104,647.07 : x
  2. Step 2: Convert to fraction form
    189,531.83/261,547.08 = 104,647.07/x
  3. Step 3: Cross multiply
    189,531.83x = 261,547.08 × 104,647.07
  4. Step 4: Simplify right side
    189,531.83x = 27,370,135,850.50
  5. Step 5: Solve for x
    x = 27,370,135,850.50/189,531.83
  6. Step 6: Final answer
    x = 144,409.18

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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.