Home / 115,014.53-172,292.06-91,362.13

Finding the Fourth Proportional to 115,014.53, 172,292.06 and 91,362.13

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Solution

The fourth proportional to 115,014.53, 172,292.06 and 91,362.13 is: 136,860.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,014.53 : 172,292.06 = 91,362.13 : x
  2. Step 2: Convert to fraction form
    115,014.53/172,292.06 = 91,362.13/x
  3. Step 3: Cross multiply
    115,014.53x = 172,292.06 × 91,362.13
  4. Step 4: Simplify right side
    115,014.53x = 15,740,969,381.36
  5. Step 5: Solve for x
    x = 15,740,969,381.36/115,014.53
  6. Step 6: Final answer
    x = 136,860.70

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1.5x scale

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.