Home / 147,558.80-221,597.40-142,893.20

Finding the Fourth Proportional to 147,558.80, 221,597.40 and 142,893.20

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Solution

The fourth proportional to 147,558.80, 221,597.40 and 142,893.20 is: 214,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,558.80 : 221,597.40 = 142,893.20 : x
  2. Step 2: Convert to fraction form
    147,558.80/221,597.40 = 142,893.20/x
  3. Step 3: Cross multiply
    147,558.80x = 221,597.40 × 142,893.20
  4. Step 4: Simplify right side
    147,558.80x = 31,664,761,597.68
  5. Step 5: Solve for x
    x = 31,664,761,597.68/147,558.80
  6. Step 6: Final answer
    x = 214,590.80

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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.