Home / 86,142.34-118,899.94-55,926.10

Finding the Fourth Proportional to 86,142.34, 118,899.94 and 55,926.10

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Solution

The fourth proportional to 86,142.34, 118,899.94 and 55,926.10 is: 77,193.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,142.34 : 118,899.94 = 55,926.10 : x
  2. Step 2: Convert to fraction form
    86,142.34/118,899.94 = 55,926.10/x
  3. Step 3: Cross multiply
    86,142.34x = 118,899.94 × 55,926.10
  4. Step 4: Simplify right side
    86,142.34x = 6,649,609,934.43
  5. Step 5: Solve for x
    x = 6,649,609,934.43/86,142.34
  6. Step 6: Final answer
    x = 77,193.28

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1.5x scale

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.