Home / 172,036.39-257,988.77-56,604.00

Finding the Fourth Proportional to 172,036.39, 257,988.77 and 56,604.00

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Solution

The fourth proportional to 172,036.39, 257,988.77 and 56,604.00 is: 84,884.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,036.39 : 257,988.77 = 56,604.00 : x
  2. Step 2: Convert to fraction form
    172,036.39/257,988.77 = 56,604.00/x
  3. Step 3: Cross multiply
    172,036.39x = 257,988.77 × 56,604.00
  4. Step 4: Simplify right side
    172,036.39x = 14,603,195,047.14
  5. Step 5: Solve for x
    x = 14,603,195,047.14/172,036.39
  6. Step 6: Final answer
    x = 84,884.34

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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.