Home / 104,102.07-143,659.67-56,354.37

Finding the Fourth Proportional to 104,102.07, 143,659.67 and 56,354.37

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Solution

The fourth proportional to 104,102.07, 143,659.67 and 56,354.37 is: 77,768.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,102.07 : 143,659.67 = 56,354.37 : x
  2. Step 2: Convert to fraction form
    104,102.07/143,659.67 = 56,354.37/x
  3. Step 3: Cross multiply
    104,102.07x = 143,659.67 × 56,354.37
  4. Step 4: Simplify right side
    104,102.07x = 8,095,849,915.49
  5. Step 5: Solve for x
    x = 8,095,849,915.49/104,102.07
  6. Step 6: Final answer
    x = 77,768.39

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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.