Home / 147,645.20-221,467.80-58,912.40

Finding the Fourth Proportional to 147,645.20, 221,467.80 and 58,912.40

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Solution

The fourth proportional to 147,645.20, 221,467.80 and 58,912.40 is: 88,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,645.20 : 221,467.80 = 58,912.40 : x
  2. Step 2: Convert to fraction form
    147,645.20/221,467.80 = 58,912.40/x
  3. Step 3: Cross multiply
    147,645.20x = 221,467.80 × 58,912.40
  4. Step 4: Simplify right side
    147,645.20x = 13,047,199,620.72
  5. Step 5: Solve for x
    x = 13,047,199,620.72/147,645.20
  6. Step 6: Final answer
    x = 88,368.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.