Home / 144,947.60-217,421.40-51,462.80

Finding the Fourth Proportional to 144,947.60, 217,421.40 and 51,462.80

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Solution

The fourth proportional to 144,947.60, 217,421.40 and 51,462.80 is: 77,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,947.60 : 217,421.40 = 51,462.80 : x
  2. Step 2: Convert to fraction form
    144,947.60/217,421.40 = 51,462.80/x
  3. Step 3: Cross multiply
    144,947.60x = 217,421.40 × 51,462.80
  4. Step 4: Simplify right side
    144,947.60x = 11,189,114,023.92
  5. Step 5: Solve for x
    x = 11,189,114,023.92/144,947.60
  6. Step 6: Final answer
    x = 77,194.20

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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.