Home / 118,299.69-163,253.88-64,585.15

Finding the Fourth Proportional to 118,299.69, 163,253.88 and 64,585.15

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Solution

The fourth proportional to 118,299.69, 163,253.88 and 64,585.15 is: 89,127.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,299.69 : 163,253.88 = 64,585.15 : x
  2. Step 2: Convert to fraction form
    118,299.69/163,253.88 = 64,585.15/x
  3. Step 3: Cross multiply
    118,299.69x = 163,253.88 × 64,585.15
  4. Step 4: Simplify right side
    118,299.69x = 10,543,775,919.75
  5. Step 5: Solve for x
    x = 10,543,775,919.75/118,299.69
  6. Step 6: Final answer
    x = 89,127.67

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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.