Home / 255,746.58-352,917.45-142,547.46

Finding the Fourth Proportional to 255,746.58, 352,917.45 and 142,547.46

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Solution

The fourth proportional to 255,746.58, 352,917.45 and 142,547.46 is: 196,708.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,746.58 : 352,917.45 = 142,547.46 : x
  2. Step 2: Convert to fraction form
    255,746.58/352,917.45 = 142,547.46/x
  3. Step 3: Cross multiply
    255,746.58x = 352,917.45 × 142,547.46
  4. Step 4: Simplify right side
    255,746.58x = 50,307,486,087.18
  5. Step 5: Solve for x
    x = 50,307,486,087.18/255,746.58
  6. Step 6: Final answer
    x = 196,708.34

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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.