Home / 148,548.87-205,011.45-84,874.32

Finding the Fourth Proportional to 148,548.87, 205,011.45 and 84,874.32

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Solution

The fourth proportional to 148,548.87, 205,011.45 and 84,874.32 is: 117,134.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,548.87 : 205,011.45 = 84,874.32 : x
  2. Step 2: Convert to fraction form
    148,548.87/205,011.45 = 84,874.32/x
  3. Step 3: Cross multiply
    148,548.87x = 205,011.45 × 84,874.32
  4. Step 4: Simplify right side
    148,548.87x = 17,400,207,410.96
  5. Step 5: Solve for x
    x = 17,400,207,410.96/148,548.87
  6. Step 6: Final answer
    x = 117,134.57

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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.