Home / 255,319.32-352,341.18-142,146.12

Finding the Fourth Proportional to 255,319.32, 352,341.18 and 142,146.12

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Solution

The fourth proportional to 255,319.32, 352,341.18 and 142,146.12 is: 196,161.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,319.32 : 352,341.18 = 142,146.12 : x
  2. Step 2: Convert to fraction form
    255,319.32/352,341.18 = 142,146.12/x
  3. Step 3: Cross multiply
    255,319.32x = 352,341.18 × 142,146.12
  4. Step 4: Simplify right side
    255,319.32x = 50,083,931,653.22
  5. Step 5: Solve for x
    x = 50,083,931,653.22/255,319.32
  6. Step 6: Final answer
    x = 196,161.93

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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.