Home / 142,795.55-197,079.57-91,134.94

Finding the Fourth Proportional to 142,795.55, 197,079.57 and 91,134.94

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Solution

The fourth proportional to 142,795.55, 197,079.57 and 91,134.94 is: 125,780.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,795.55 : 197,079.57 = 91,134.94 : x
  2. Step 2: Convert to fraction form
    142,795.55/197,079.57 = 91,134.94/x
  3. Step 3: Cross multiply
    142,795.55x = 197,079.57 × 91,134.94
  4. Step 4: Simplify right side
    142,795.55x = 17,960,833,754.07
  5. Step 5: Solve for x
    x = 17,960,833,754.07/142,795.55
  6. Step 6: Final answer
    x = 125,780.07

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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.