Home / 151,775.22-209,477.22-90,525.34

Finding the Fourth Proportional to 151,775.22, 209,477.22 and 90,525.34

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Solution

The fourth proportional to 151,775.22, 209,477.22 and 90,525.34 is: 124,941.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,775.22 : 209,477.22 = 90,525.34 : x
  2. Step 2: Convert to fraction form
    151,775.22/209,477.22 = 90,525.34/x
  3. Step 3: Cross multiply
    151,775.22x = 209,477.22 × 90,525.34
  4. Step 4: Simplify right side
    151,775.22x = 18,962,996,039.06
  5. Step 5: Solve for x
    x = 18,962,996,039.06/151,775.22
  6. Step 6: Final answer
    x = 124,941.32

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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.