Home / 104,205.36-143,803.20-56,460

Finding the Fourth Proportional to 104,205.36, 143,803.20 and 56,460

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Solution

The fourth proportional to 104,205.36, 143,803.20 and 56,460 is: 77,914.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,205.36 : 143,803.20 = 56,460 : x
  2. Step 2: Convert to fraction form
    104,205.36/143,803.20 = 56,460/x
  3. Step 3: Cross multiply
    104,205.36x = 143,803.20 × 56,460
  4. Step 4: Simplify right side
    104,205.36x = 8,119,128,672.00
  5. Step 5: Solve for x
    x = 8,119,128,672.00/104,205.36
  6. Step 6: Final answer
    x = 77,914.69

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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.