Home / 98,260.54-147,390.18-28,140.10

Finding the Fourth Proportional to 98,260.54, 147,390.18 and 28,140.10

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Solution

The fourth proportional to 98,260.54, 147,390.18 and 28,140.10 is: 42,209.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,260.54 : 147,390.18 = 28,140.10 : x
  2. Step 2: Convert to fraction form
    98,260.54/147,390.18 = 28,140.10/x
  3. Step 3: Cross multiply
    98,260.54x = 147,390.18 × 28,140.10
  4. Step 4: Simplify right side
    98,260.54x = 4,147,574,404.22
  5. Step 5: Solve for x
    x = 4,147,574,404.22/98,260.54
  6. Step 6: Final answer
    x = 42,209.97

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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.