Home / 171,455.49-236,505.47-113,312.61

Finding the Fourth Proportional to 171,455.49, 236,505.47 and 113,312.61

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Solution

The fourth proportional to 171,455.49, 236,505.47 and 113,312.61 is: 156,303.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,455.49 : 236,505.47 = 113,312.61 : x
  2. Step 2: Convert to fraction form
    171,455.49/236,505.47 = 113,312.61/x
  3. Step 3: Cross multiply
    171,455.49x = 236,505.47 × 113,312.61
  4. Step 4: Simplify right side
    171,455.49x = 26,799,051,518.41
  5. Step 5: Solve for x
    x = 26,799,051,518.41/171,455.49
  6. Step 6: Final answer
    x = 156,303.26

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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.