Home / 129,054.04-177,682.62-110,115.16

Finding the Fourth Proportional to 129,054.04, 177,682.62 and 110,115.16

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Solution

The fourth proportional to 129,054.04, 177,682.62 and 110,115.16 is: 151,607.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,054.04 : 177,682.62 = 110,115.16 : x
  2. Step 2: Convert to fraction form
    129,054.04/177,682.62 = 110,115.16/x
  3. Step 3: Cross multiply
    129,054.04x = 177,682.62 × 110,115.16
  4. Step 4: Simplify right side
    129,054.04x = 19,565,550,130.52
  5. Step 5: Solve for x
    x = 19,565,550,130.52/129,054.04
  6. Step 6: Final answer
    x = 151,607.42

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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.