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Finding the Fourth Proportional to 145,360.60, 218,040.90 and 95,594.20

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Solution

The fourth proportional to 145,360.60, 218,040.90 and 95,594.20 is: 143,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,360.60 : 218,040.90 = 95,594.20 : x
  2. Step 2: Convert to fraction form
    145,360.60/218,040.90 = 95,594.20/x
  3. Step 3: Cross multiply
    145,360.60x = 218,040.90 × 95,594.20
  4. Step 4: Simplify right side
    145,360.60x = 20,843,445,402.78
  5. Step 5: Solve for x
    x = 20,843,445,402.78/145,360.60
  6. Step 6: Final answer
    x = 143,391.30

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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.