Home / 135,015.12-186,238.44-94,670.64

Finding the Fourth Proportional to 135,015.12, 186,238.44 and 94,670.64

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Solution

The fourth proportional to 135,015.12, 186,238.44 and 94,670.64 is: 130,587.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,015.12 : 186,238.44 = 94,670.64 : x
  2. Step 2: Convert to fraction form
    135,015.12/186,238.44 = 94,670.64/x
  3. Step 3: Cross multiply
    135,015.12x = 186,238.44 × 94,670.64
  4. Step 4: Simplify right side
    135,015.12x = 17,631,312,307.40
  5. Step 5: Solve for x
    x = 17,631,312,307.40/135,015.12
  6. Step 6: Final answer
    x = 130,587.69

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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.