Home / 103,900.32-143,380.53-58,577.58

Finding the Fourth Proportional to 103,900.32, 143,380.53 and 58,577.58

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Solution

The fourth proportional to 103,900.32, 143,380.53 and 58,577.58 is: 80,835.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,900.32 : 143,380.53 = 58,577.58 : x
  2. Step 2: Convert to fraction form
    103,900.32/143,380.53 = 58,577.58/x
  3. Step 3: Cross multiply
    103,900.32x = 143,380.53 × 58,577.58
  4. Step 4: Simplify right side
    103,900.32x = 8,398,884,466.52
  5. Step 5: Solve for x
    x = 8,398,884,466.52/103,900.32
  6. Step 6: Final answer
    x = 80,835.98

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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.