Home / 127,630.07-191,509.70-52,803.92

Finding the Fourth Proportional to 127,630.07, 191,509.70 and 52,803.92

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Solution

The fourth proportional to 127,630.07, 191,509.70 and 52,803.92 is: 79,232.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,630.07 : 191,509.70 = 52,803.92 : x
  2. Step 2: Convert to fraction form
    127,630.07/191,509.70 = 52,803.92/x
  3. Step 3: Cross multiply
    127,630.07x = 191,509.70 × 52,803.92
  4. Step 4: Simplify right side
    127,630.07x = 10,112,462,438.07
  5. Step 5: Solve for x
    x = 10,112,462,438.07/127,630.07
  6. Step 6: Final answer
    x = 79,232.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.