Home / 172,985.04-238,742.46-101,393.64

Finding the Fourth Proportional to 172,985.04, 238,742.46 and 101,393.64

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Solution

The fourth proportional to 172,985.04, 238,742.46 and 101,393.64 is: 139,936.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,985.04 : 238,742.46 = 101,393.64 : x
  2. Step 2: Convert to fraction form
    172,985.04/238,742.46 = 101,393.64/x
  3. Step 3: Cross multiply
    172,985.04x = 238,742.46 × 101,393.64
  4. Step 4: Simplify right side
    172,985.04x = 24,206,967,041.95
  5. Step 5: Solve for x
    x = 24,206,967,041.95/172,985.04
  6. Step 6: Final answer
    x = 139,936.77

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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.