Home / 113,988.44-170,968.08-47,416.16

Finding the Fourth Proportional to 113,988.44, 170,968.08 and 47,416.16

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Solution

The fourth proportional to 113,988.44, 170,968.08 and 47,416.16 is: 71,118.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,988.44 : 170,968.08 = 47,416.16 : x
  2. Step 2: Convert to fraction form
    113,988.44/170,968.08 = 47,416.16/x
  3. Step 3: Cross multiply
    113,988.44x = 170,968.08 × 47,416.16
  4. Step 4: Simplify right side
    113,988.44x = 8,106,649,836.17
  5. Step 5: Solve for x
    x = 8,106,649,836.17/113,988.44
  6. Step 6: Final answer
    x = 71,118.18

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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.