Home / 134,827.89-186,055.15-74,386.64

Finding the Fourth Proportional to 134,827.89, 186,055.15 and 74,386.64

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Solution

The fourth proportional to 134,827.89, 186,055.15 and 74,386.64 is: 102,649.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,827.89 : 186,055.15 = 74,386.64 : x
  2. Step 2: Convert to fraction form
    134,827.89/186,055.15 = 74,386.64/x
  3. Step 3: Cross multiply
    134,827.89x = 186,055.15 × 74,386.64
  4. Step 4: Simplify right side
    134,827.89x = 13,840,017,463.20
  5. Step 5: Solve for x
    x = 13,840,017,463.20/134,827.89
  6. Step 6: Final answer
    x = 102,649.51

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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.