Home / 142,848.40-214,272.60-119,693.20

Finding the Fourth Proportional to 142,848.40, 214,272.60 and 119,693.20

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Solution

The fourth proportional to 142,848.40, 214,272.60 and 119,693.20 is: 179,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,848.40 : 214,272.60 = 119,693.20 : x
  2. Step 2: Convert to fraction form
    142,848.40/214,272.60 = 119,693.20/x
  3. Step 3: Cross multiply
    142,848.40x = 214,272.60 × 119,693.20
  4. Step 4: Simplify right side
    142,848.40x = 25,646,973,166.32
  5. Step 5: Solve for x
    x = 25,646,973,166.32/142,848.40
  6. Step 6: Final answer
    x = 179,539.80

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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.