Home / 160,971.49-222,150.75-89,352.72

Finding the Fourth Proportional to 160,971.49, 222,150.75 and 89,352.72

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Solution

The fourth proportional to 160,971.49, 222,150.75 and 89,352.72 is: 123,312.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,971.49 : 222,150.75 = 89,352.72 : x
  2. Step 2: Convert to fraction form
    160,971.49/222,150.75 = 89,352.72/x
  3. Step 3: Cross multiply
    160,971.49x = 222,150.75 × 89,352.72
  4. Step 4: Simplify right side
    160,971.49x = 19,849,773,762.54
  5. Step 5: Solve for x
    x = 19,849,773,762.54/160,971.49
  6. Step 6: Final answer
    x = 123,312.36

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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.