Home / 147,441.48-203,448.72-87,014.64

Finding the Fourth Proportional to 147,441.48, 203,448.72 and 87,014.64

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Solution

The fourth proportional to 147,441.48, 203,448.72 and 87,014.64 is: 120,068.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,441.48 : 203,448.72 = 87,014.64 : x
  2. Step 2: Convert to fraction form
    147,441.48/203,448.72 = 87,014.64/x
  3. Step 3: Cross multiply
    147,441.48x = 203,448.72 × 87,014.64
  4. Step 4: Simplify right side
    147,441.48x = 17,703,017,129.26
  5. Step 5: Solve for x
    x = 17,703,017,129.26/147,441.48
  6. Step 6: Final answer
    x = 120,068.09

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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.