Home / 98,349.31-147,520.12-28,228.60

Finding the Fourth Proportional to 98,349.31, 147,520.12 and 28,228.60

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Solution

The fourth proportional to 98,349.31, 147,520.12 and 28,228.60 is: 42,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,349.31 : 147,520.12 = 28,228.60 : x
  2. Step 2: Convert to fraction form
    98,349.31/147,520.12 = 28,228.60/x
  3. Step 3: Cross multiply
    98,349.31x = 147,520.12 × 28,228.60
  4. Step 4: Simplify right side
    98,349.31x = 4,164,286,459.43
  5. Step 5: Solve for x
    x = 4,164,286,459.43/98,349.31
  6. Step 6: Final answer
    x = 42,341.80

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1.5x scale

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.