Home / 105,403.63-145,460.76-60,074.29

Finding the Fourth Proportional to 105,403.63, 145,460.76 and 60,074.29

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Solution

The fourth proportional to 105,403.63, 145,460.76 and 60,074.29 is: 82,904.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,403.63 : 145,460.76 = 60,074.29 : x
  2. Step 2: Convert to fraction form
    105,403.63/145,460.76 = 60,074.29/x
  3. Step 3: Cross multiply
    105,403.63x = 145,460.76 × 60,074.29
  4. Step 4: Simplify right side
    105,403.63x = 8,738,452,174.33
  5. Step 5: Solve for x
    x = 8,738,452,174.33/105,403.63
  6. Step 6: Final answer
    x = 82,904.66

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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.