Home / 136,468.68-188,324.24-76,038.03

Finding the Fourth Proportional to 136,468.68, 188,324.24 and 76,038.03

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Solution

The fourth proportional to 136,468.68, 188,324.24 and 76,038.03 is: 104,931.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,468.68 : 188,324.24 = 76,038.03 : x
  2. Step 2: Convert to fraction form
    136,468.68/188,324.24 = 76,038.03/x
  3. Step 3: Cross multiply
    136,468.68x = 188,324.24 × 76,038.03
  4. Step 4: Simplify right side
    136,468.68x = 14,319,803,830.66
  5. Step 5: Solve for x
    x = 14,319,803,830.66/136,468.68
  6. Step 6: Final answer
    x = 104,931.06

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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.