Home / 104,257.60-143,875.79-56,511.14

Finding the Fourth Proportional to 104,257.60, 143,875.79 and 56,511.14

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Solution

The fourth proportional to 104,257.60, 143,875.79 and 56,511.14 is: 77,985.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,257.60 : 143,875.79 = 56,511.14 : x
  2. Step 2: Convert to fraction form
    104,257.60/143,875.79 = 56,511.14/x
  3. Step 3: Cross multiply
    104,257.60x = 143,875.79 × 56,511.14
  4. Step 4: Simplify right side
    104,257.60x = 8,130,584,333.20
  5. Step 5: Solve for x
    x = 8,130,584,333.20/104,257.60
  6. Step 6: Final answer
    x = 77,985.53

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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.