Home / 134,338.07-185,388.08-76,976.25

Finding the Fourth Proportional to 134,338.07, 185,388.08 and 76,976.25

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Solution

The fourth proportional to 134,338.07, 185,388.08 and 76,976.25 is: 106,228.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,338.07 : 185,388.08 = 76,976.25 : x
  2. Step 2: Convert to fraction form
    134,338.07/185,388.08 = 76,976.25/x
  3. Step 3: Cross multiply
    134,338.07x = 185,388.08 × 76,976.25
  4. Step 4: Simplify right side
    134,338.07x = 14,270,478,808.22
  5. Step 5: Solve for x
    x = 14,270,478,808.22/134,338.07
  6. Step 6: Final answer
    x = 106,228.11

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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.