Home / 105,416.26-145,480.89-60,718.66

Finding the Fourth Proportional to 105,416.26, 145,480.89 and 60,718.66

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Solution

The fourth proportional to 105,416.26, 145,480.89 and 60,718.66 is: 83,795.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,416.26 : 145,480.89 = 60,718.66 : x
  2. Step 2: Convert to fraction form
    105,416.26/145,480.89 = 60,718.66/x
  3. Step 3: Cross multiply
    105,416.26x = 145,480.89 × 60,718.66
  4. Step 4: Simplify right side
    105,416.26x = 8,833,404,696.41
  5. Step 5: Solve for x
    x = 8,833,404,696.41/105,416.26
  6. Step 6: Final answer
    x = 83,795.47

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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.