Home / 161,501.73-242,252.67-72,651.45

Finding the Fourth Proportional to 161,501.73, 242,252.67 and 72,651.45

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Solution

The fourth proportional to 161,501.73, 242,252.67 and 72,651.45 is: 108,977.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,501.73 : 242,252.67 = 72,651.45 : x
  2. Step 2: Convert to fraction form
    161,501.73/242,252.67 = 72,651.45/x
  3. Step 3: Cross multiply
    161,501.73x = 242,252.67 × 72,651.45
  4. Step 4: Simplify right side
    161,501.73x = 17,600,007,741.87
  5. Step 5: Solve for x
    x = 17,600,007,741.87/161,501.73
  6. Step 6: Final answer
    x = 108,977.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.