Home / 134,623.85-185,812.57-83,675.06

Finding the Fourth Proportional to 134,623.85, 185,812.57 and 83,675.06

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Solution

The fourth proportional to 134,623.85, 185,812.57 and 83,675.06 is: 115,491.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,623.85 : 185,812.57 = 83,675.06 : x
  2. Step 2: Convert to fraction form
    134,623.85/185,812.57 = 83,675.06/x
  3. Step 3: Cross multiply
    134,623.85x = 185,812.57 × 83,675.06
  4. Step 4: Simplify right side
    134,623.85x = 15,547,876,805.25
  5. Step 5: Solve for x
    x = 15,547,876,805.25/134,623.85
  6. Step 6: Final answer
    x = 115,491.25

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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.