Home / 104,008.31-143,531.40-56,261.66

Finding the Fourth Proportional to 104,008.31, 143,531.40 and 56,261.66

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Solution

The fourth proportional to 104,008.31, 143,531.40 and 56,261.66 is: 77,641.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,008.31 : 143,531.40 = 56,261.66 : x
  2. Step 2: Convert to fraction form
    104,008.31/143,531.40 = 56,261.66/x
  3. Step 3: Cross multiply
    104,008.31x = 143,531.40 × 56,261.66
  4. Step 4: Simplify right side
    104,008.31x = 8,075,314,826.12
  5. Step 5: Solve for x
    x = 8,075,314,826.12/104,008.31
  6. Step 6: Final answer
    x = 77,641.05

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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.