Home / 133,071.70-199,607.55-39,565.30

Finding the Fourth Proportional to 133,071.70, 199,607.55 and 39,565.30

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Solution

The fourth proportional to 133,071.70, 199,607.55 and 39,565.30 is: 59,347.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,071.70 : 199,607.55 = 39,565.30 : x
  2. Step 2: Convert to fraction form
    133,071.70/199,607.55 = 39,565.30/x
  3. Step 3: Cross multiply
    133,071.70x = 199,607.55 × 39,565.30
  4. Step 4: Simplify right side
    133,071.70x = 7,897,532,598.02
  5. Step 5: Solve for x
    x = 7,897,532,598.02/133,071.70
  6. Step 6: Final answer
    x = 59,347.95

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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.