Home / 147,441.60-221,194.32-47,607.36

Finding the Fourth Proportional to 147,441.60, 221,194.32 and 47,607.36

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Solution

The fourth proportional to 147,441.60, 221,194.32 and 47,607.36 is: 71,421.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,441.60 : 221,194.32 = 47,607.36 : x
  2. Step 2: Convert to fraction form
    147,441.60/221,194.32 = 47,607.36/x
  3. Step 3: Cross multiply
    147,441.60x = 221,194.32 × 47,607.36
  4. Step 4: Simplify right side
    147,441.60x = 10,530,477,622.20
  5. Step 5: Solve for x
    x = 10,530,477,622.20/147,441.60
  6. Step 6: Final answer
    x = 71,421.35

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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.