Home / 118,386.50-163,371.32-64,670.14

Finding the Fourth Proportional to 118,386.50, 163,371.32 and 64,670.14

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Solution

The fourth proportional to 118,386.50, 163,371.32 and 64,670.14 is: 89,243.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,386.50 : 163,371.32 = 64,670.14 : x
  2. Step 2: Convert to fraction form
    118,386.50/163,371.32 = 64,670.14/x
  3. Step 3: Cross multiply
    118,386.50x = 163,371.32 × 64,670.14
  4. Step 4: Simplify right side
    118,386.50x = 10,565,245,340.80
  5. Step 5: Solve for x
    x = 10,565,245,340.80/118,386.50
  6. Step 6: Final answer
    x = 89,243.67

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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.