Home / 127,089.73-175,391.13-76,804.93

Finding the Fourth Proportional to 127,089.73, 175,391.13 and 76,804.93

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Solution

The fourth proportional to 127,089.73, 175,391.13 and 76,804.93 is: 105,995.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,089.73 : 175,391.13 = 76,804.93 : x
  2. Step 2: Convert to fraction form
    127,089.73/175,391.13 = 76,804.93/x
  3. Step 3: Cross multiply
    127,089.73x = 175,391.13 × 76,804.93
  4. Step 4: Simplify right side
    127,089.73x = 13,470,903,462.27
  5. Step 5: Solve for x
    x = 13,470,903,462.27/127,089.73
  6. Step 6: Final answer
    x = 105,995.22

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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.