Home / 115,196.04-158,968.08-64,208.70

Finding the Fourth Proportional to 115,196.04, 158,968.08 and 64,208.70

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Solution

The fourth proportional to 115,196.04, 158,968.08 and 64,208.70 is: 88,606.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,196.04 : 158,968.08 = 64,208.70 : x
  2. Step 2: Convert to fraction form
    115,196.04/158,968.08 = 64,208.70/x
  3. Step 3: Cross multiply
    115,196.04x = 158,968.08 × 64,208.70
  4. Step 4: Simplify right side
    115,196.04x = 10,207,133,758.30
  5. Step 5: Solve for x
    x = 10,207,133,758.30/115,196.04
  6. Step 6: Final answer
    x = 88,606.64

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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.