Home / 115,661.04-173,373.40-65,635.48

Finding the Fourth Proportional to 115,661.04, 173,373.40 and 65,635.48

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Solution

The fourth proportional to 115,661.04, 173,373.40 and 65,635.48 is: 98,386.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,661.04 : 173,373.40 = 65,635.48 : x
  2. Step 2: Convert to fraction form
    115,661.04/173,373.40 = 65,635.48/x
  3. Step 3: Cross multiply
    115,661.04x = 173,373.40 × 65,635.48
  4. Step 4: Simplify right side
    115,661.04x = 11,379,446,328.23
  5. Step 5: Solve for x
    x = 11,379,446,328.23/115,661.04
  6. Step 6: Final answer
    x = 98,386.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.