Home / 161,664.55-223,088.23-89,053.31

Finding the Fourth Proportional to 161,664.55, 223,088.23 and 89,053.31

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Solution

The fourth proportional to 161,664.55, 223,088.23 and 89,053.31 is: 122,888.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,664.55 : 223,088.23 = 89,053.31 : x
  2. Step 2: Convert to fraction form
    161,664.55/223,088.23 = 89,053.31/x
  3. Step 3: Cross multiply
    161,664.55x = 223,088.23 × 89,053.31
  4. Step 4: Simplify right side
    161,664.55x = 19,866,745,303.54
  5. Step 5: Solve for x
    x = 19,866,745,303.54/161,664.55
  6. Step 6: Final answer
    x = 122,888.69

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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.