Home / 144,296.30-198,999.96-90,586.32

Finding the Fourth Proportional to 144,296.30, 198,999.96 and 90,586.32

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Solution

The fourth proportional to 144,296.30, 198,999.96 and 90,586.32 is: 124,928.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,296.30 : 198,999.96 = 90,586.32 : x
  2. Step 2: Convert to fraction form
    144,296.30/198,999.96 = 90,586.32/x
  3. Step 3: Cross multiply
    144,296.30x = 198,999.96 × 90,586.32
  4. Step 4: Simplify right side
    144,296.30x = 18,026,674,056.55
  5. Step 5: Solve for x
    x = 18,026,674,056.55/144,296.30
  6. Step 6: Final answer
    x = 124,928.18

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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.