Home / 239,140.13-330,028.35-131,710.13

Finding the Fourth Proportional to 239,140.13, 330,028.35 and 131,710.13

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Solution

The fourth proportional to 239,140.13, 330,028.35 and 131,710.13 is: 181,768.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,140.13 : 330,028.35 = 131,710.13 : x
  2. Step 2: Convert to fraction form
    239,140.13/330,028.35 = 131,710.13/x
  3. Step 3: Cross multiply
    239,140.13x = 330,028.35 × 131,710.13
  4. Step 4: Simplify right side
    239,140.13x = 43,468,075,975.74
  5. Step 5: Solve for x
    x = 43,468,075,975.74/239,140.13
  6. Step 6: Final answer
    x = 181,768.22

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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.