Home / 97,218.81-134,169.75-54,212.36

Finding the Fourth Proportional to 97,218.81, 134,169.75 and 54,212.36

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Solution

The fourth proportional to 97,218.81, 134,169.75 and 54,212.36 is: 74,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,218.81 : 134,169.75 = 54,212.36 : x
  2. Step 2: Convert to fraction form
    97,218.81/134,169.75 = 54,212.36/x
  3. Step 3: Cross multiply
    97,218.81x = 134,169.75 × 54,212.36
  4. Step 4: Simplify right side
    97,218.81x = 7,273,658,117.26
  5. Step 5: Solve for x
    x = 7,273,658,117.26/97,218.81
  6. Step 6: Final answer
    x = 74,817.40

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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.