Home / 98,190.48-147,291.18-28,071.60

Finding the Fourth Proportional to 98,190.48, 147,291.18 and 28,071.60

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Solution

The fourth proportional to 98,190.48, 147,291.18 and 28,071.60 is: 42,108.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,190.48 : 147,291.18 = 28,071.60 : x
  2. Step 2: Convert to fraction form
    98,190.48/147,291.18 = 28,071.60/x
  3. Step 3: Cross multiply
    98,190.48x = 147,291.18 × 28,071.60
  4. Step 4: Simplify right side
    98,190.48x = 4,134,699,088.49
  5. Step 5: Solve for x
    x = 4,134,699,088.49/98,190.48
  6. Step 6: Final answer
    x = 42,108.96

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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.