Home / 118,329.08-163,300.77-64,619.10

Finding the Fourth Proportional to 118,329.08, 163,300.77 and 64,619.10

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Solution

The fourth proportional to 118,329.08, 163,300.77 and 64,619.10 is: 89,177.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,329.08 : 163,300.77 = 64,619.10 : x
  2. Step 2: Convert to fraction form
    118,329.08/163,300.77 = 64,619.10/x
  3. Step 3: Cross multiply
    118,329.08x = 163,300.77 × 64,619.10
  4. Step 4: Simplify right side
    118,329.08x = 10,552,348,786.71
  5. Step 5: Solve for x
    x = 10,552,348,786.71/118,329.08
  6. Step 6: Final answer
    x = 89,177.99

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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.