Home / 255,715.16-352,891.62-142,525.76

Finding the Fourth Proportional to 255,715.16, 352,891.62 and 142,525.76

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Solution

The fourth proportional to 255,715.16, 352,891.62 and 142,525.76 is: 196,688.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,715.16 : 352,891.62 = 142,525.76 : x
  2. Step 2: Convert to fraction form
    255,715.16/352,891.62 = 142,525.76/x
  3. Step 3: Cross multiply
    255,715.16x = 352,891.62 × 142,525.76
  4. Step 4: Simplify right side
    255,715.16x = 50,296,146,338.13
  5. Step 5: Solve for x
    x = 50,296,146,338.13/255,715.16
  6. Step 6: Final answer
    x = 196,688.17

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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.