Home / 85,698.32-118,148.52-60,170.48

Finding the Fourth Proportional to 85,698.32, 118,148.52 and 60,170.48

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Solution

The fourth proportional to 85,698.32, 118,148.52 and 60,170.48 is: 82,954.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,698.32 : 118,148.52 = 60,170.48 : x
  2. Step 2: Convert to fraction form
    85,698.32/118,148.52 = 60,170.48/x
  3. Step 3: Cross multiply
    85,698.32x = 118,148.52 × 60,170.48
  4. Step 4: Simplify right side
    85,698.32x = 7,109,053,159.69
  5. Step 5: Solve for x
    x = 7,109,053,159.69/85,698.32
  6. Step 6: Final answer
    x = 82,954.41

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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.