Home / 140,087.52-193,320.36-76,424.86

Finding the Fourth Proportional to 140,087.52, 193,320.36 and 76,424.86

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Solution

The fourth proportional to 140,087.52, 193,320.36 and 76,424.86 is: 105,466.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,087.52 : 193,320.36 = 76,424.86 : x
  2. Step 2: Convert to fraction form
    140,087.52/193,320.36 = 76,424.86/x
  3. Step 3: Cross multiply
    140,087.52x = 193,320.36 × 76,424.86
  4. Step 4: Simplify right side
    140,087.52x = 14,774,481,448.15
  5. Step 5: Solve for x
    x = 14,774,481,448.15/140,087.52
  6. Step 6: Final answer
    x = 105,466.08

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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.