Home / 129,224.19-178,303.24-75,498.83

Finding the Fourth Proportional to 129,224.19, 178,303.24 and 75,498.83

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Solution

The fourth proportional to 129,224.19, 178,303.24 and 75,498.83 is: 104,173.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,224.19 : 178,303.24 = 75,498.83 : x
  2. Step 2: Convert to fraction form
    129,224.19/178,303.24 = 75,498.83/x
  3. Step 3: Cross multiply
    129,224.19x = 178,303.24 × 75,498.83
  4. Step 4: Simplify right side
    129,224.19x = 13,461,686,005.21
  5. Step 5: Solve for x
    x = 13,461,686,005.21/129,224.19
  6. Step 6: Final answer
    x = 104,173.11

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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.