Home / 118,012.34-162,858.90-64,297.35

Finding the Fourth Proportional to 118,012.34, 162,858.90 and 64,297.35

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Solution

The fourth proportional to 118,012.34, 162,858.90 and 64,297.35 is: 88,731.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,012.34 : 162,858.90 = 64,297.35 : x
  2. Step 2: Convert to fraction form
    118,012.34/162,858.90 = 64,297.35/x
  3. Step 3: Cross multiply
    118,012.34x = 162,858.90 × 64,297.35
  4. Step 4: Simplify right side
    118,012.34x = 10,471,395,693.92
  5. Step 5: Solve for x
    x = 10,471,395,693.92/118,012.34
  6. Step 6: Final answer
    x = 88,731.36

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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.