Home / 98,246.40-147,417.60-45,628.80

Finding the Fourth Proportional to 98,246.40, 147,417.60 and 45,628.80

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Solution

The fourth proportional to 98,246.40, 147,417.60 and 45,628.80 is: 68,465.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,246.40 : 147,417.60 = 45,628.80 : x
  2. Step 2: Convert to fraction form
    98,246.40/147,417.60 = 45,628.80/x
  3. Step 3: Cross multiply
    98,246.40x = 147,417.60 × 45,628.80
  4. Step 4: Simplify right side
    98,246.40x = 6,726,488,186.88
  5. Step 5: Solve for x
    x = 6,726,488,186.88/98,246.40
  6. Step 6: Final answer
    x = 68,465.49

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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.