Home / 255,535.92-352,681.56-142,395.12

Finding the Fourth Proportional to 255,535.92, 352,681.56 and 142,395.12

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Solution

The fourth proportional to 255,535.92, 352,681.56 and 142,395.12 is: 196,528.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,535.92 : 352,681.56 = 142,395.12 : x
  2. Step 2: Convert to fraction form
    255,535.92/352,681.56 = 142,395.12/x
  3. Step 3: Cross multiply
    255,535.92x = 352,681.56 × 142,395.12
  4. Step 4: Simplify right side
    255,535.92x = 50,220,133,057.99
  5. Step 5: Solve for x
    x = 50,220,133,057.99/255,535.92
  6. Step 6: Final answer
    x = 196,528.66

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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.