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Finding the Fourth Proportional to 111,559.04, 153,952 and 61,258

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Solution

The fourth proportional to 111,559.04, 153,952 and 61,258 is: 84,536.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,559.04 : 153,952 = 61,258 : x
  2. Step 2: Convert to fraction form
    111,559.04/153,952 = 61,258/x
  3. Step 3: Cross multiply
    111,559.04x = 153,952 × 61,258
  4. Step 4: Simplify right side
    111,559.04x = 9,430,791,616
  5. Step 5: Solve for x
    x = 9,430,791,616/111,559.04
  6. Step 6: Final answer
    x = 84,536.33

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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.