Home / 148,846.16-205,401.48-88,422.32

Finding the Fourth Proportional to 148,846.16, 205,401.48 and 88,422.32

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Solution

The fourth proportional to 148,846.16, 205,401.48 and 88,422.32 is: 122,019.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,846.16 : 205,401.48 = 88,422.32 : x
  2. Step 2: Convert to fraction form
    148,846.16/205,401.48 = 88,422.32/x
  3. Step 3: Cross multiply
    148,846.16x = 205,401.48 × 88,422.32
  4. Step 4: Simplify right side
    148,846.16x = 18,162,075,393.03
  5. Step 5: Solve for x
    x = 18,162,075,393.03/148,846.16
  6. Step 6: Final answer
    x = 122,019.11

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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.