Home / 155,285.46-214,331.49-144,779.22

Finding the Fourth Proportional to 155,285.46, 214,331.49 and 144,779.22

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Solution

The fourth proportional to 155,285.46, 214,331.49 and 144,779.22 is: 199,830.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,285.46 : 214,331.49 = 144,779.22 : x
  2. Step 2: Convert to fraction form
    155,285.46/214,331.49 = 144,779.22/x
  3. Step 3: Cross multiply
    155,285.46x = 214,331.49 × 144,779.22
  4. Step 4: Simplify right side
    155,285.46x = 31,030,745,943.64
  5. Step 5: Solve for x
    x = 31,030,745,943.64/155,285.46
  6. Step 6: Final answer
    x = 199,830.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.