Home / 99,293.40-137,024.64-53,971.38

Finding the Fourth Proportional to 99,293.40, 137,024.64 and 53,971.38

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Solution

The fourth proportional to 99,293.40, 137,024.64 and 53,971.38 is: 74,480.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,293.40 : 137,024.64 = 53,971.38 : x
  2. Step 2: Convert to fraction form
    99,293.40/137,024.64 = 53,971.38/x
  3. Step 3: Cross multiply
    99,293.40x = 137,024.64 × 53,971.38
  4. Step 4: Simplify right side
    99,293.40x = 7,395,408,914.80
  5. Step 5: Solve for x
    x = 7,395,408,914.80/99,293.40
  6. Step 6: Final answer
    x = 74,480.37

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1.5x scale

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.