Home / 147,539.20-221,254.80-47,725.60

Finding the Fourth Proportional to 147,539.20, 221,254.80 and 47,725.60

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Solution

The fourth proportional to 147,539.20, 221,254.80 and 47,725.60 is: 71,570.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,539.20 : 221,254.80 = 47,725.60 : x
  2. Step 2: Convert to fraction form
    147,539.20/221,254.80 = 47,725.60/x
  3. Step 3: Cross multiply
    147,539.20x = 221,254.80 × 47,725.60
  4. Step 4: Simplify right side
    147,539.20x = 10,559,518,082.88
  5. Step 5: Solve for x
    x = 10,559,518,082.88/147,539.20
  6. Step 6: Final answer
    x = 71,570.93

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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.