Home / 158,728.51-238,078.18-53,548.39

Finding the Fourth Proportional to 158,728.51, 238,078.18 and 53,548.39

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Solution

The fourth proportional to 158,728.51, 238,078.18 and 53,548.39 is: 80,317.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,728.51 : 238,078.18 = 53,548.39 : x
  2. Step 2: Convert to fraction form
    158,728.51/238,078.18 = 53,548.39/x
  3. Step 3: Cross multiply
    158,728.51x = 238,078.18 × 53,548.39
  4. Step 4: Simplify right side
    158,728.51x = 12,748,701,775.00
  5. Step 5: Solve for x
    x = 12,748,701,775.00/158,728.51
  6. Step 6: Final answer
    x = 80,317.66

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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.