Home / 124,538.16-171,867.60-70,828.08

Finding the Fourth Proportional to 124,538.16, 171,867.60 and 70,828.08

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Solution

The fourth proportional to 124,538.16, 171,867.60 and 70,828.08 is: 97,745.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,538.16 : 171,867.60 = 70,828.08 : x
  2. Step 2: Convert to fraction form
    124,538.16/171,867.60 = 70,828.08/x
  3. Step 3: Cross multiply
    124,538.16x = 171,867.60 × 70,828.08
  4. Step 4: Simplify right side
    124,538.16x = 12,173,052,122.21
  5. Step 5: Solve for x
    x = 12,173,052,122.21/124,538.16
  6. Step 6: Final answer
    x = 97,745.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.