Home / 94,968.48-130,969.80-81,535.44

Finding the Fourth Proportional to 94,968.48, 130,969.80 and 81,535.44

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Solution

The fourth proportional to 94,968.48, 130,969.80 and 81,535.44 is: 112,444.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,968.48 : 130,969.80 = 81,535.44 : x
  2. Step 2: Convert to fraction form
    94,968.48/130,969.80 = 81,535.44/x
  3. Step 3: Cross multiply
    94,968.48x = 130,969.80 × 81,535.44
  4. Step 4: Simplify right side
    94,968.48x = 10,678,680,269.71
  5. Step 5: Solve for x
    x = 10,678,680,269.71/94,968.48
  6. Step 6: Final answer
    x = 112,444.47

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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.