Home / 153,137.37-211,298.44-89,462.86

Finding the Fourth Proportional to 153,137.37, 211,298.44 and 89,462.86

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Solution

The fourth proportional to 153,137.37, 211,298.44 and 89,462.86 is: 123,440.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,137.37 : 211,298.44 = 89,462.86 : x
  2. Step 2: Convert to fraction form
    153,137.37/211,298.44 = 89,462.86/x
  3. Step 3: Cross multiply
    153,137.37x = 211,298.44 × 89,462.86
  4. Step 4: Simplify right side
    153,137.37x = 18,903,363,487.61
  5. Step 5: Solve for x
    x = 18,903,363,487.61/153,137.37
  6. Step 6: Final answer
    x = 123,440.57

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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.