Home / 129,798.36-179,202.83-99,525.53

Finding the Fourth Proportional to 129,798.36, 179,202.83 and 99,525.53

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Solution

The fourth proportional to 129,798.36, 179,202.83 and 99,525.53 is: 137,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,798.36 : 179,202.83 = 99,525.53 : x
  2. Step 2: Convert to fraction form
    129,798.36/179,202.83 = 99,525.53/x
  3. Step 3: Cross multiply
    129,798.36x = 179,202.83 × 99,525.53
  4. Step 4: Simplify right side
    129,798.36x = 17,835,255,239.61
  5. Step 5: Solve for x
    x = 17,835,255,239.61/129,798.36
  6. Step 6: Final answer
    x = 137,407.40

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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.