Home / 105,563.64-145,675.04-60,240.81

Finding the Fourth Proportional to 105,563.64, 145,675.04 and 60,240.81

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Solution

The fourth proportional to 105,563.64, 145,675.04 and 60,240.81 is: 83,130.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,563.64 : 145,675.04 = 60,240.81 : x
  2. Step 2: Convert to fraction form
    105,563.64/145,675.04 = 60,240.81/x
  3. Step 3: Cross multiply
    105,563.64x = 145,675.04 × 60,240.81
  4. Step 4: Simplify right side
    105,563.64x = 8,775,582,105.18
  5. Step 5: Solve for x
    x = 8,775,582,105.18/105,563.64
  6. Step 6: Final answer
    x = 83,130.73

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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.