Home / 97,805.12-134,974.28-55,362.74

Finding the Fourth Proportional to 97,805.12, 134,974.28 and 55,362.74

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Solution

The fourth proportional to 97,805.12, 134,974.28 and 55,362.74 is: 76,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,805.12 : 134,974.28 = 55,362.74 : x
  2. Step 2: Convert to fraction form
    97,805.12/134,974.28 = 55,362.74/x
  3. Step 3: Cross multiply
    97,805.12x = 134,974.28 × 55,362.74
  4. Step 4: Simplify right side
    97,805.12x = 7,472,545,970.33
  5. Step 5: Solve for x
    x = 7,472,545,970.33/97,805.12
  6. Step 6: Final answer
    x = 76,402.40

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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.