Home / 147,840.20-221,680.40-46,619.15

Finding the Fourth Proportional to 147,840.20, 221,680.40 and 46,619.15

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Solution

The fourth proportional to 147,840.20, 221,680.40 and 46,619.15 is: 69,903.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,840.20 : 221,680.40 = 46,619.15 : x
  2. Step 2: Convert to fraction form
    147,840.20/221,680.40 = 46,619.15/x
  3. Step 3: Cross multiply
    147,840.20x = 221,680.40 × 46,619.15
  4. Step 4: Simplify right side
    147,840.20x = 10,334,552,140.77
  5. Step 5: Solve for x
    x = 10,334,552,140.77/147,840.20
  6. Step 6: Final answer
    x = 69,903.53

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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.