Home / 142,729.04-214,123.62-53,980.58

Finding the Fourth Proportional to 142,729.04, 214,123.62 and 53,980.58

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Solution

The fourth proportional to 142,729.04, 214,123.62 and 53,980.58 is: 80,982.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,729.04 : 214,123.62 = 53,980.58 : x
  2. Step 2: Convert to fraction form
    142,729.04/214,123.62 = 53,980.58/x
  3. Step 3: Cross multiply
    142,729.04x = 214,123.62 × 53,980.58
  4. Step 4: Simplify right side
    142,729.04x = 11,558,517,199.30
  5. Step 5: Solve for x
    x = 11,558,517,199.30/142,729.04
  6. Step 6: Final answer
    x = 80,982.24

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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.