Home / 97,218.63-134,160.91-54,197.61

Finding the Fourth Proportional to 97,218.63, 134,160.91 and 54,197.61

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Solution

The fourth proportional to 97,218.63, 134,160.91 and 54,197.61 is: 74,792.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,218.63 : 134,160.91 = 54,197.61 : x
  2. Step 2: Convert to fraction form
    97,218.63/134,160.91 = 54,197.61/x
  3. Step 3: Cross multiply
    97,218.63x = 134,160.91 × 54,197.61
  4. Step 4: Simplify right side
    97,218.63x = 7,271,200,038.83
  5. Step 5: Solve for x
    x = 7,271,200,038.83/97,218.63
  6. Step 6: Final answer
    x = 74,792.25

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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.