Home / 217,528.24-300,247.68-142,075.12

Finding the Fourth Proportional to 217,528.24, 300,247.68 and 142,075.12

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Solution

The fourth proportional to 217,528.24, 300,247.68 and 142,075.12 is: 196,102.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,528.24 : 300,247.68 = 142,075.12 : x
  2. Step 2: Convert to fraction form
    217,528.24/300,247.68 = 142,075.12/x
  3. Step 3: Cross multiply
    217,528.24x = 300,247.68 × 142,075.12
  4. Step 4: Simplify right side
    217,528.24x = 42,657,725,165.72
  5. Step 5: Solve for x
    x = 42,657,725,165.72/217,528.24
  6. Step 6: Final answer
    x = 196,102.01

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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.