Home / 134,071.76-185,013.96-74,459.60

Finding the Fourth Proportional to 134,071.76, 185,013.96 and 74,459.60

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Solution

The fourth proportional to 134,071.76, 185,013.96 and 74,459.60 is: 102,751.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,071.76 : 185,013.96 = 74,459.60 : x
  2. Step 2: Convert to fraction form
    134,071.76/185,013.96 = 74,459.60/x
  3. Step 3: Cross multiply
    134,071.76x = 185,013.96 × 74,459.60
  4. Step 4: Simplify right side
    134,071.76x = 13,776,065,456.02
  5. Step 5: Solve for x
    x = 13,776,065,456.02/134,071.76
  6. Step 6: Final answer
    x = 102,751.43

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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.