Home / 90,112.86-124,371.18-52,408.98

Finding the Fourth Proportional to 90,112.86, 124,371.18 and 52,408.98

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Solution

The fourth proportional to 90,112.86, 124,371.18 and 52,408.98 is: 72,333.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,112.86 : 124,371.18 = 52,408.98 : x
  2. Step 2: Convert to fraction form
    90,112.86/124,371.18 = 52,408.98/x
  3. Step 3: Cross multiply
    90,112.86x = 124,371.18 × 52,408.98
  4. Step 4: Simplify right side
    90,112.86x = 6,518,166,685.20
  5. Step 5: Solve for x
    x = 6,518,166,685.20/90,112.86
  6. Step 6: Final answer
    x = 72,333.37

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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.