Home / 162,028.02-223,609.77-90,421.86

Finding the Fourth Proportional to 162,028.02, 223,609.77 and 90,421.86

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Solution

The fourth proportional to 162,028.02, 223,609.77 and 90,421.86 is: 124,788.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,028.02 : 223,609.77 = 90,421.86 : x
  2. Step 2: Convert to fraction form
    162,028.02/223,609.77 = 90,421.86/x
  3. Step 3: Cross multiply
    162,028.02x = 223,609.77 × 90,421.86
  4. Step 4: Simplify right side
    162,028.02x = 20,219,211,317.57
  5. Step 5: Solve for x
    x = 20,219,211,317.57/162,028.02
  6. Step 6: Final answer
    x = 124,788.36

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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.