Home / 239,322.56-330,265.16-130,426.89

Finding the Fourth Proportional to 239,322.56, 330,265.16 and 130,426.89

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Solution

The fourth proportional to 239,322.56, 330,265.16 and 130,426.89 is: 179,989.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,322.56 : 330,265.16 = 130,426.89 : x
  2. Step 2: Convert to fraction form
    239,322.56/330,265.16 = 130,426.89/x
  3. Step 3: Cross multiply
    239,322.56x = 330,265.16 × 130,426.89
  4. Step 4: Simplify right side
    239,322.56x = 43,075,457,042.02
  5. Step 5: Solve for x
    x = 43,075,457,042.02/239,322.56
  6. Step 6: Final answer
    x = 179,989.12

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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.