Home / 131,827.60-181,933.29-74,477.46

Finding the Fourth Proportional to 131,827.60, 181,933.29 and 74,477.46

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Solution

The fourth proportional to 131,827.60, 181,933.29 and 74,477.46 is: 102,785.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,827.60 : 181,933.29 = 74,477.46 : x
  2. Step 2: Convert to fraction form
    131,827.60/181,933.29 = 74,477.46/x
  3. Step 3: Cross multiply
    131,827.60x = 181,933.29 × 74,477.46
  4. Step 4: Simplify right side
    131,827.60x = 13,549,929,328.64
  5. Step 5: Solve for x
    x = 13,549,929,328.64/131,827.60
  6. Step 6: Final answer
    x = 102,785.22

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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.