Home / 108,455.04-149,668.72-60,712.80

Finding the Fourth Proportional to 108,455.04, 149,668.72 and 60,712.80

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Solution

The fourth proportional to 108,455.04, 149,668.72 and 60,712.80 is: 83,784.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,455.04 : 149,668.72 = 60,712.80 : x
  2. Step 2: Convert to fraction form
    108,455.04/149,668.72 = 60,712.80/x
  3. Step 3: Cross multiply
    108,455.04x = 149,668.72 × 60,712.80
  4. Step 4: Simplify right side
    108,455.04x = 9,086,807,063.62
  5. Step 5: Solve for x
    x = 9,086,807,063.62/108,455.04
  6. Step 6: Final answer
    x = 83,784.09

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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.