Home / 160,111.81-220,984.77-105,568.03

Finding the Fourth Proportional to 160,111.81, 220,984.77 and 105,568.03

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Solution

The fourth proportional to 160,111.81, 220,984.77 and 105,568.03 is: 145,703.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,111.81 : 220,984.77 = 105,568.03 : x
  2. Step 2: Convert to fraction form
    160,111.81/220,984.77 = 105,568.03/x
  3. Step 3: Cross multiply
    160,111.81x = 220,984.77 × 105,568.03
  4. Step 4: Simplify right side
    160,111.81x = 23,328,926,828.90
  5. Step 5: Solve for x
    x = 23,328,926,828.90/160,111.81
  6. Step 6: Final answer
    x = 145,703.97

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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.