Home / 149,258.30-223,746.71-74,307.51

Finding the Fourth Proportional to 149,258.30, 223,746.71 and 74,307.51

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Solution

The fourth proportional to 149,258.30, 223,746.71 and 74,307.51 is: 111,391.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,258.30 : 223,746.71 = 74,307.51 : x
  2. Step 2: Convert to fraction form
    149,258.30/223,746.71 = 74,307.51/x
  3. Step 3: Cross multiply
    149,258.30x = 223,746.71 × 74,307.51
  4. Step 4: Simplify right side
    149,258.30x = 16,626,060,519.25
  5. Step 5: Solve for x
    x = 16,626,060,519.25/149,258.30
  6. Step 6: Final answer
    x = 111,391.20

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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.