Home / 113,987.48-170,984.67-39,106.54

Finding the Fourth Proportional to 113,987.48, 170,984.67 and 39,106.54

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Solution

The fourth proportional to 113,987.48, 170,984.67 and 39,106.54 is: 58,661.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,987.48 : 170,984.67 = 39,106.54 : x
  2. Step 2: Convert to fraction form
    113,987.48/170,984.67 = 39,106.54/x
  3. Step 3: Cross multiply
    113,987.48x = 170,984.67 × 39,106.54
  4. Step 4: Simplify right side
    113,987.48x = 6,686,619,197.12
  5. Step 5: Solve for x
    x = 6,686,619,197.12/113,987.48
  6. Step 6: Final answer
    x = 58,661.00

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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.