Home / 161,746.37-223,206.98-90,124.86

Finding the Fourth Proportional to 161,746.37, 223,206.98 and 90,124.86

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Solution

The fourth proportional to 161,746.37, 223,206.98 and 90,124.86 is: 124,370.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,746.37 : 223,206.98 = 90,124.86 : x
  2. Step 2: Convert to fraction form
    161,746.37/223,206.98 = 90,124.86/x
  3. Step 3: Cross multiply
    161,746.37x = 223,206.98 × 90,124.86
  4. Step 4: Simplify right side
    161,746.37x = 20,116,497,372.90
  5. Step 5: Solve for x
    x = 20,116,497,372.90/161,746.37
  6. Step 6: Final answer
    x = 124,370.63

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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.