Home / 99,174.64-136,862.65-53,852.71

Finding the Fourth Proportional to 99,174.64, 136,862.65 and 53,852.71

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Solution

The fourth proportional to 99,174.64, 136,862.65 and 53,852.71 is: 74,317.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,174.64 : 136,862.65 = 53,852.71 : x
  2. Step 2: Convert to fraction form
    99,174.64/136,862.65 = 53,852.71/x
  3. Step 3: Cross multiply
    99,174.64x = 136,862.65 × 53,852.71
  4. Step 4: Simplify right side
    99,174.64x = 7,370,424,600.28
  5. Step 5: Solve for x
    x = 7,370,424,600.28/99,174.64
  6. Step 6: Final answer
    x = 74,317.63

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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.