Home / 142,034.58-212,848.88-104,298.62

Finding the Fourth Proportional to 142,034.58, 212,848.88 and 104,298.62

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Solution

The fourth proportional to 142,034.58, 212,848.88 and 104,298.62 is: 156,298.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,034.58 : 212,848.88 = 104,298.62 : x
  2. Step 2: Convert to fraction form
    142,034.58/212,848.88 = 104,298.62/x
  3. Step 3: Cross multiply
    142,034.58x = 212,848.88 × 104,298.62
  4. Step 4: Simplify right side
    142,034.58x = 22,199,842,866.81
  5. Step 5: Solve for x
    x = 22,199,842,866.81/142,034.58
  6. Step 6: Final answer
    x = 156,298.86

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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.