Home / 118,314.62-163,274.46-64,599.65

Finding the Fourth Proportional to 118,314.62, 163,274.46 and 64,599.65

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Solution

The fourth proportional to 118,314.62, 163,274.46 and 64,599.65 is: 89,147.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,314.62 : 163,274.46 = 64,599.65 : x
  2. Step 2: Convert to fraction form
    118,314.62/163,274.46 = 64,599.65/x
  3. Step 3: Cross multiply
    118,314.62x = 163,274.46 × 64,599.65
  4. Step 4: Simplify right side
    118,314.62x = 10,547,472,969.94
  5. Step 5: Solve for x
    x = 10,547,472,969.94/118,314.62
  6. Step 6: Final answer
    x = 89,147.67

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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.