Home / 105,396.59-145,430.34-60,074.66

Finding the Fourth Proportional to 105,396.59, 145,430.34 and 60,074.66

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Solution

The fourth proportional to 105,396.59, 145,430.34 and 60,074.66 is: 82,893.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,396.59 : 145,430.34 = 60,074.66 : x
  2. Step 2: Convert to fraction form
    105,396.59/145,430.34 = 60,074.66/x
  3. Step 3: Cross multiply
    105,396.59x = 145,430.34 × 60,074.66
  4. Step 4: Simplify right side
    105,396.59x = 8,736,678,367.48
  5. Step 5: Solve for x
    x = 8,736,678,367.48/105,396.59
  6. Step 6: Final answer
    x = 82,893.37

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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.