Home / 161,289.69-222,567.17-89,665.35

Finding the Fourth Proportional to 161,289.69, 222,567.17 and 89,665.35

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Solution

The fourth proportional to 161,289.69, 222,567.17 and 89,665.35 is: 123,731.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,289.69 : 222,567.17 = 89,665.35 : x
  2. Step 2: Convert to fraction form
    161,289.69/222,567.17 = 89,665.35/x
  3. Step 3: Cross multiply
    161,289.69x = 222,567.17 × 89,665.35
  4. Step 4: Simplify right side
    161,289.69x = 19,956,562,748.23
  5. Step 5: Solve for x
    x = 19,956,562,748.23/161,289.69
  6. Step 6: Final answer
    x = 123,731.17

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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.