Home / 115,119.32-157,714.04-110,804.77

Finding the Fourth Proportional to 115,119.32, 157,714.04 and 110,804.77

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Solution

The fourth proportional to 115,119.32, 157,714.04 and 110,804.77 is: 151,803.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,119.32 : 157,714.04 = 110,804.77 : x
  2. Step 2: Convert to fraction form
    115,119.32/157,714.04 = 110,804.77/x
  3. Step 3: Cross multiply
    115,119.32x = 157,714.04 × 110,804.77
  4. Step 4: Simplify right side
    115,119.32x = 17,475,468,194.37
  5. Step 5: Solve for x
    x = 17,475,468,194.37/115,119.32
  6. Step 6: Final answer
    x = 151,803.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.