Home / 135,718.64-203,445.58-64,622.17

Finding the Fourth Proportional to 135,718.64, 203,445.58 and 64,622.17

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Solution

The fourth proportional to 135,718.64, 203,445.58 and 64,622.17 is: 96,870.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,718.64 : 203,445.58 = 64,622.17 : x
  2. Step 2: Convert to fraction form
    135,718.64/203,445.58 = 64,622.17/x
  3. Step 3: Cross multiply
    135,718.64x = 203,445.58 × 64,622.17
  4. Step 4: Simplify right side
    135,718.64x = 13,147,095,376.50
  5. Step 5: Solve for x
    x = 13,147,095,376.50/135,718.64
  6. Step 6: Final answer
    x = 96,870.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.