Home / 172,829.80-238,434.98-105,800.68

Finding the Fourth Proportional to 172,829.80, 238,434.98 and 105,800.68

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Solution

The fourth proportional to 172,829.80, 238,434.98 and 105,800.68 is: 145,962.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,829.80 : 238,434.98 = 105,800.68 : x
  2. Step 2: Convert to fraction form
    172,829.80/238,434.98 = 105,800.68/x
  3. Step 3: Cross multiply
    172,829.80x = 238,434.98 × 105,800.68
  4. Step 4: Simplify right side
    172,829.80x = 25,226,583,019.79
  5. Step 5: Solve for x
    x = 25,226,583,019.79/172,829.80
  6. Step 6: Final answer
    x = 145,962.00

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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.