Home / 145,404.94-218,107.07-45,572.74

Finding the Fourth Proportional to 145,404.94, 218,107.07 and 45,572.74

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Solution

The fourth proportional to 145,404.94, 218,107.07 and 45,572.74 is: 68,359.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,404.94 : 218,107.07 = 45,572.74 : x
  2. Step 2: Convert to fraction form
    145,404.94/218,107.07 = 45,572.74/x
  3. Step 3: Cross multiply
    145,404.94x = 218,107.07 × 45,572.74
  4. Step 4: Simplify right side
    145,404.94x = 9,939,735,702.74
  5. Step 5: Solve for x
    x = 9,939,735,702.74/145,404.94
  6. Step 6: Final answer
    x = 68,359.00

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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.