Home / 145,078.44-217,618.86-39,903.16

Finding the Fourth Proportional to 145,078.44, 217,618.86 and 39,903.16

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Solution

The fourth proportional to 145,078.44, 217,618.86 and 39,903.16 is: 59,855.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,078.44 : 217,618.86 = 39,903.16 : x
  2. Step 2: Convert to fraction form
    145,078.44/217,618.86 = 39,903.16/x
  3. Step 3: Cross multiply
    145,078.44x = 217,618.86 × 39,903.16
  4. Step 4: Simplify right side
    145,078.44x = 8,683,680,189.60
  5. Step 5: Solve for x
    x = 8,683,680,189.60/145,078.44
  6. Step 6: Final answer
    x = 59,855.07

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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.