Home / 108,479.36-162,059.32-70,216.91

Finding the Fourth Proportional to 108,479.36, 162,059.32 and 70,216.91

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Solution

The fourth proportional to 108,479.36, 162,059.32 and 70,216.91 is: 104,898.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,479.36 : 162,059.32 = 70,216.91 : x
  2. Step 2: Convert to fraction form
    108,479.36/162,059.32 = 70,216.91/x
  3. Step 3: Cross multiply
    108,479.36x = 162,059.32 × 70,216.91
  4. Step 4: Simplify right side
    108,479.36x = 11,379,304,572.30
  5. Step 5: Solve for x
    x = 11,379,304,572.30/108,479.36
  6. Step 6: Final answer
    x = 104,898.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.