Home / 104,257.92-143,876.10-56,511.24

Finding the Fourth Proportional to 104,257.92, 143,876.10 and 56,511.24

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Solution

The fourth proportional to 104,257.92, 143,876.10 and 56,511.24 is: 77,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,257.92 : 143,876.10 = 56,511.24 : x
  2. Step 2: Convert to fraction form
    104,257.92/143,876.10 = 56,511.24/x
  3. Step 3: Cross multiply
    104,257.92x = 143,876.10 × 56,511.24
  4. Step 4: Simplify right side
    104,257.92x = 8,130,616,817.36
  5. Step 5: Solve for x
    x = 8,130,616,817.36/104,257.92
  6. Step 6: Final answer
    x = 77,985.60

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1.5x scale

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.