Home / 115,225.29-172,837.72-45,055.39

Finding the Fourth Proportional to 115,225.29, 172,837.72 and 45,055.39

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Solution

The fourth proportional to 115,225.29, 172,837.72 and 45,055.39 is: 67,583.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,225.29 : 172,837.72 = 45,055.39 : x
  2. Step 2: Convert to fraction form
    115,225.29/172,837.72 = 45,055.39/x
  3. Step 3: Cross multiply
    115,225.29x = 172,837.72 × 45,055.39
  4. Step 4: Simplify right side
    115,225.29x = 7,787,270,881.31
  5. Step 5: Solve for x
    x = 7,787,270,881.31/115,225.29
  6. Step 6: Final answer
    x = 67,583.00

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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.