Home / 187,385.82-258,632.73-119,386.56

Finding the Fourth Proportional to 187,385.82, 258,632.73 and 119,386.56

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Solution

The fourth proportional to 187,385.82, 258,632.73 and 119,386.56 is: 164,779.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,385.82 : 258,632.73 = 119,386.56 : x
  2. Step 2: Convert to fraction form
    187,385.82/258,632.73 = 119,386.56/x
  3. Step 3: Cross multiply
    187,385.82x = 258,632.73 × 119,386.56
  4. Step 4: Simplify right side
    187,385.82x = 30,877,271,938.11
  5. Step 5: Solve for x
    x = 30,877,271,938.11/187,385.82
  6. Step 6: Final answer
    x = 164,779.13

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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.