Home / 104,383.37-144,048.55-56,636.72

Finding the Fourth Proportional to 104,383.37, 144,048.55 and 56,636.72

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Solution

The fourth proportional to 104,383.37, 144,048.55 and 56,636.72 is: 78,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,383.37 : 144,048.55 = 56,636.72 : x
  2. Step 2: Convert to fraction form
    104,383.37/144,048.55 = 56,636.72/x
  3. Step 3: Cross multiply
    104,383.37x = 144,048.55 × 56,636.72
  4. Step 4: Simplify right side
    104,383.37x = 8,158,437,613.17
  5. Step 5: Solve for x
    x = 8,158,437,613.17/104,383.37
  6. Step 6: Final answer
    x = 78,158.40

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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.