Home / 261,675.09-361,120.34-146,973.91

Finding the Fourth Proportional to 261,675.09, 361,120.34 and 146,973.91

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Solution

The fourth proportional to 261,675.09, 361,120.34 and 146,973.91 is: 202,828.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,675.09 : 361,120.34 = 146,973.91 : x
  2. Step 2: Convert to fraction form
    261,675.09/361,120.34 = 146,973.91/x
  3. Step 3: Cross multiply
    261,675.09x = 361,120.34 × 146,973.91
  4. Step 4: Simplify right side
    261,675.09x = 53,075,268,350.33
  5. Step 5: Solve for x
    x = 53,075,268,350.33/261,675.09
  6. Step 6: Final answer
    x = 202,828.89

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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.