Home / 118,398.11-163,389.96-64,684.00

Finding the Fourth Proportional to 118,398.11, 163,389.96 and 64,684.00

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Solution

The fourth proportional to 118,398.11, 163,389.96 and 64,684.00 is: 89,264.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,398.11 : 163,389.96 = 64,684.00 : x
  2. Step 2: Convert to fraction form
    118,398.11/163,389.96 = 64,684.00/x
  3. Step 3: Cross multiply
    118,398.11x = 163,389.96 × 64,684.00
  4. Step 4: Simplify right side
    118,398.11x = 10,568,716,376.88
  5. Step 5: Solve for x
    x = 10,568,716,376.88/118,398.11
  6. Step 6: Final answer
    x = 89,264.24

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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.