Home / 104,531.36-144,254.82-56,785.64

Finding the Fourth Proportional to 104,531.36, 144,254.82 and 56,785.64

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Solution

The fourth proportional to 104,531.36, 144,254.82 and 56,785.64 is: 78,365.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,531.36 : 144,254.82 = 56,785.64 : x
  2. Step 2: Convert to fraction form
    104,531.36/144,254.82 = 56,785.64/x
  3. Step 3: Cross multiply
    104,531.36x = 144,254.82 × 56,785.64
  4. Step 4: Simplify right side
    104,531.36x = 8,191,602,276.78
  5. Step 5: Solve for x
    x = 8,191,602,276.78/104,531.36
  6. Step 6: Final answer
    x = 78,365.02

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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.