Home / 104,060.08-143,602.90-56,313.42

Finding the Fourth Proportional to 104,060.08, 143,602.90 and 56,313.42

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Solution

The fourth proportional to 104,060.08, 143,602.90 and 56,313.42 is: 77,712.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,060.08 : 143,602.90 = 56,313.42 : x
  2. Step 2: Convert to fraction form
    104,060.08/143,602.90 = 56,313.42/x
  3. Step 3: Cross multiply
    104,060.08x = 143,602.90 × 56,313.42
  4. Step 4: Simplify right side
    104,060.08x = 8,086,770,420.92
  5. Step 5: Solve for x
    x = 8,086,770,420.92/104,060.08
  6. Step 6: Final answer
    x = 77,712.51

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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.