Home / 115,971.12-174,034.56-42,099.12

Finding the Fourth Proportional to 115,971.12, 174,034.56 and 42,099.12

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Solution

The fourth proportional to 115,971.12, 174,034.56 and 42,099.12 is: 63,176.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,971.12 : 174,034.56 = 42,099.12 : x
  2. Step 2: Convert to fraction form
    115,971.12/174,034.56 = 42,099.12/x
  3. Step 3: Cross multiply
    115,971.12x = 174,034.56 × 42,099.12
  4. Step 4: Simplify right side
    115,971.12x = 7,326,701,825.59
  5. Step 5: Solve for x
    x = 7,326,701,825.59/115,971.12
  6. Step 6: Final answer
    x = 63,176.95

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1.5x scale

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.