Home / 142,365.62-196,459.08-85,014.58

Finding the Fourth Proportional to 142,365.62, 196,459.08 and 85,014.58

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Solution

The fourth proportional to 142,365.62, 196,459.08 and 85,014.58 is: 117,316.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,365.62 : 196,459.08 = 85,014.58 : x
  2. Step 2: Convert to fraction form
    142,365.62/196,459.08 = 85,014.58/x
  3. Step 3: Cross multiply
    142,365.62x = 196,459.08 × 85,014.58
  4. Step 4: Simplify right side
    142,365.62x = 16,701,886,173.39
  5. Step 5: Solve for x
    x = 16,701,886,173.39/142,365.62
  6. Step 6: Final answer
    x = 117,316.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.