Home / 161,049.18-222,248.57-89,428.98

Finding the Fourth Proportional to 161,049.18, 222,248.57 and 89,428.98

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Solution

The fourth proportional to 161,049.18, 222,248.57 and 89,428.98 is: 123,412.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,049.18 : 222,248.57 = 89,428.98 : x
  2. Step 2: Convert to fraction form
    161,049.18/222,248.57 = 89,428.98/x
  3. Step 3: Cross multiply
    161,049.18x = 222,248.57 × 89,428.98
  4. Step 4: Simplify right side
    161,049.18x = 19,875,462,474.41
  5. Step 5: Solve for x
    x = 19,875,462,474.41/161,049.18
  6. Step 6: Final answer
    x = 123,412.38

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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.