Home / 88,915.04-122,189.56-84,803.36

Finding the Fourth Proportional to 88,915.04, 122,189.56 and 84,803.36

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Solution

The fourth proportional to 88,915.04, 122,189.56 and 84,803.36 is: 116,539.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,915.04 : 122,189.56 = 84,803.36 : x
  2. Step 2: Convert to fraction form
    88,915.04/122,189.56 = 84,803.36/x
  3. Step 3: Cross multiply
    88,915.04x = 122,189.56 × 84,803.36
  4. Step 4: Simplify right side
    88,915.04x = 10,362,085,244.92
  5. Step 5: Solve for x
    x = 10,362,085,244.92/88,915.04
  6. Step 6: Final answer
    x = 116,539.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.