Home / 86,857.14-130,348.02-36,972.29

Finding the Fourth Proportional to 86,857.14, 130,348.02 and 36,972.29

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Solution

The fourth proportional to 86,857.14, 130,348.02 and 36,972.29 is: 55,484.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,857.14 : 130,348.02 = 36,972.29 : x
  2. Step 2: Convert to fraction form
    86,857.14/130,348.02 = 36,972.29/x
  3. Step 3: Cross multiply
    86,857.14x = 130,348.02 × 36,972.29
  4. Step 4: Simplify right side
    86,857.14x = 4,819,264,144.63
  5. Step 5: Solve for x
    x = 4,819,264,144.63/86,857.14
  6. Step 6: Final answer
    x = 55,484.95

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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.