Home / 147,311.03-203,282.66-86,062.91

Finding the Fourth Proportional to 147,311.03, 203,282.66 and 86,062.91

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Solution

The fourth proportional to 147,311.03, 203,282.66 and 86,062.91 is: 118,762.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,311.03 : 203,282.66 = 86,062.91 : x
  2. Step 2: Convert to fraction form
    147,311.03/203,282.66 = 86,062.91/x
  3. Step 3: Cross multiply
    147,311.03x = 203,282.66 × 86,062.91
  4. Step 4: Simplify right side
    147,311.03x = 17,495,096,470.88
  5. Step 5: Solve for x
    x = 17,495,096,470.88/147,311.03
  6. Step 6: Final answer
    x = 118,762.98

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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.