Home / 130,625.83-180,252.12-72,484.03

Finding the Fourth Proportional to 130,625.83, 180,252.12 and 72,484.03

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Solution

The fourth proportional to 130,625.83, 180,252.12 and 72,484.03 is: 100,021.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,625.83 : 180,252.12 = 72,484.03 : x
  2. Step 2: Convert to fraction form
    130,625.83/180,252.12 = 72,484.03/x
  3. Step 3: Cross multiply
    130,625.83x = 180,252.12 × 72,484.03
  4. Step 4: Simplify right side
    130,625.83x = 13,065,400,073.64
  5. Step 5: Solve for x
    x = 13,065,400,073.64/130,625.83
  6. Step 6: Final answer
    x = 100,021.57

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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.