Home / 98,900.60-148,430.61-51,530.18

Finding the Fourth Proportional to 98,900.60, 148,430.61 and 51,530.18

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Solution

The fourth proportional to 98,900.60, 148,430.61 and 51,530.18 is: 77,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,900.60 : 148,430.61 = 51,530.18 : x
  2. Step 2: Convert to fraction form
    98,900.60/148,430.61 = 51,530.18/x
  3. Step 3: Cross multiply
    98,900.60x = 148,430.61 × 51,530.18
  4. Step 4: Simplify right side
    98,900.60x = 7,648,655,308.66
  5. Step 5: Solve for x
    x = 7,648,655,308.66/98,900.60
  6. Step 6: Final answer
    x = 77,336.80

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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.