Home / 148,848.16-205,404.24-88,424.32

Finding the Fourth Proportional to 148,848.16, 205,404.24 and 88,424.32

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Solution

The fourth proportional to 148,848.16, 205,404.24 and 88,424.32 is: 122,021.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,848.16 : 205,404.24 = 88,424.32 : x
  2. Step 2: Convert to fraction form
    148,848.16/205,404.24 = 88,424.32/x
  3. Step 3: Cross multiply
    148,848.16x = 205,404.24 × 88,424.32
  4. Step 4: Simplify right side
    148,848.16x = 18,162,730,247.12
  5. Step 5: Solve for x
    x = 18,162,730,247.12/148,848.16
  6. Step 6: Final answer
    x = 122,021.87

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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.