Home / 104,555.31-144,280.95-56,808.54

Finding the Fourth Proportional to 104,555.31, 144,280.95 and 56,808.54

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Solution

The fourth proportional to 104,555.31, 144,280.95 and 56,808.54 is: 78,392.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,555.31 : 144,280.95 = 56,808.54 : x
  2. Step 2: Convert to fraction form
    104,555.31/144,280.95 = 56,808.54/x
  3. Step 3: Cross multiply
    104,555.31x = 144,280.95 × 56,808.54
  4. Step 4: Simplify right side
    104,555.31x = 8,196,389,906.28
  5. Step 5: Solve for x
    x = 8,196,389,906.28/104,555.31
  6. Step 6: Final answer
    x = 78,392.86

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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.