Home / 160,331.79-221,388.66-102,999.59

Finding the Fourth Proportional to 160,331.79, 221,388.66 and 102,999.59

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Solution

The fourth proportional to 160,331.79, 221,388.66 and 102,999.59 is: 142,223.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,331.79 : 221,388.66 = 102,999.59 : x
  2. Step 2: Convert to fraction form
    160,331.79/221,388.66 = 102,999.59/x
  3. Step 3: Cross multiply
    160,331.79x = 221,388.66 × 102,999.59
  4. Step 4: Simplify right side
    160,331.79x = 22,802,941,210.65
  5. Step 5: Solve for x
    x = 22,802,941,210.65/160,331.79
  6. Step 6: Final answer
    x = 142,223.46

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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.