Home / 111,946.14-154,485.81-61,645.14

Finding the Fourth Proportional to 111,946.14, 154,485.81 and 61,645.14

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Solution

The fourth proportional to 111,946.14, 154,485.81 and 61,645.14 is: 85,070.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,946.14 : 154,485.81 = 61,645.14 : x
  2. Step 2: Convert to fraction form
    111,946.14/154,485.81 = 61,645.14/x
  3. Step 3: Cross multiply
    111,946.14x = 154,485.81 × 61,645.14
  4. Step 4: Simplify right side
    111,946.14x = 9,523,299,385.46
  5. Step 5: Solve for x
    x = 9,523,299,385.46/111,946.14
  6. Step 6: Final answer
    x = 85,070.37

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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.