Home / 98,089.37-147,144.53-34,915.13

Finding the Fourth Proportional to 98,089.37, 147,144.53 and 34,915.13

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Solution

The fourth proportional to 98,089.37, 147,144.53 and 34,915.13 is: 52,376.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,089.37 : 147,144.53 = 34,915.13 : x
  2. Step 2: Convert to fraction form
    98,089.37/147,144.53 = 34,915.13/x
  3. Step 3: Cross multiply
    98,089.37x = 147,144.53 × 34,915.13
  4. Step 4: Simplify right side
    98,089.37x = 5,137,570,587.02
  5. Step 5: Solve for x
    x = 5,137,570,587.02/98,089.37
  6. Step 6: Final answer
    x = 52,376.43

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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.