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Finding the Fourth Proportional to 147,263.40, 203,165.01 and 85,162.41

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Solution

The fourth proportional to 147,263.40, 203,165.01 and 85,162.41 is: 117,490.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,263.40 : 203,165.01 = 85,162.41 : x
  2. Step 2: Convert to fraction form
    147,263.40/203,165.01 = 85,162.41/x
  3. Step 3: Cross multiply
    147,263.40x = 203,165.01 × 85,162.41
  4. Step 4: Simplify right side
    147,263.40x = 17,302,021,879.27
  5. Step 5: Solve for x
    x = 17,302,021,879.27/147,263.40
  6. Step 6: Final answer
    x = 117,490.31

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1.5x scale

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.