Home / 134,284.16-185,316.80-73,857.28

Finding the Fourth Proportional to 134,284.16, 185,316.80 and 73,857.28

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Solution

The fourth proportional to 134,284.16, 185,316.80 and 73,857.28 is: 101,925.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,284.16 : 185,316.80 = 73,857.28 : x
  2. Step 2: Convert to fraction form
    134,284.16/185,316.80 = 73,857.28/x
  3. Step 3: Cross multiply
    134,284.16x = 185,316.80 × 73,857.28
  4. Step 4: Simplify right side
    134,284.16x = 13,686,994,786.30
  5. Step 5: Solve for x
    x = 13,686,994,786.30/134,284.16
  6. Step 6: Final answer
    x = 101,925.61

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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.