Home / 146,577.60-202,370.40-90,007.20

Finding the Fourth Proportional to 146,577.60, 202,370.40 and 90,007.20

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Solution

The fourth proportional to 146,577.60, 202,370.40 and 90,007.20 is: 124,267.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,577.60 : 202,370.40 = 90,007.20 : x
  2. Step 2: Convert to fraction form
    146,577.60/202,370.40 = 90,007.20/x
  3. Step 3: Cross multiply
    146,577.60x = 202,370.40 × 90,007.20
  4. Step 4: Simplify right side
    146,577.60x = 18,214,793,066.88
  5. Step 5: Solve for x
    x = 18,214,793,066.88/146,577.60
  6. Step 6: Final answer
    x = 124,267.24

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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.