Home / 142,777.73-197,008.26-81,495.93

Finding the Fourth Proportional to 142,777.73, 197,008.26 and 81,495.93

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Solution

The fourth proportional to 142,777.73, 197,008.26 and 81,495.93 is: 112,450.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,777.73 : 197,008.26 = 81,495.93 : x
  2. Step 2: Convert to fraction form
    142,777.73/197,008.26 = 81,495.93/x
  3. Step 3: Cross multiply
    142,777.73x = 197,008.26 × 81,495.93
  4. Step 4: Simplify right side
    142,777.73x = 16,055,371,366.38
  5. Step 5: Solve for x
    x = 16,055,371,366.38/142,777.73
  6. Step 6: Final answer
    x = 112,450.11

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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.