Home / 144,326.29-216,336.35-55,541.38

Finding the Fourth Proportional to 144,326.29, 216,336.35 and 55,541.38

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Solution

The fourth proportional to 144,326.29, 216,336.35 and 55,541.38 is: 83,253.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,326.29 : 216,336.35 = 55,541.38 : x
  2. Step 2: Convert to fraction form
    144,326.29/216,336.35 = 55,541.38/x
  3. Step 3: Cross multiply
    144,326.29x = 216,336.35 × 55,541.38
  4. Step 4: Simplify right side
    144,326.29x = 12,015,619,423.16
  5. Step 5: Solve for x
    x = 12,015,619,423.16/144,326.29
  6. Step 6: Final answer
    x = 83,253.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.