Home / 160,890.91-222,026.06-89,270.30

Finding the Fourth Proportional to 160,890.91, 222,026.06 and 89,270.30

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Solution

The fourth proportional to 160,890.91, 222,026.06 and 89,270.30 is: 123,191.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,890.91 : 222,026.06 = 89,270.30 : x
  2. Step 2: Convert to fraction form
    160,890.91/222,026.06 = 89,270.30/x
  3. Step 3: Cross multiply
    160,890.91x = 222,026.06 × 89,270.30
  4. Step 4: Simplify right side
    160,890.91x = 19,820,333,762.26
  5. Step 5: Solve for x
    x = 19,820,333,762.26/160,890.91
  6. Step 6: Final answer
    x = 123,191.14

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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.