Home / 144,328.29-216,339.35-55,543.38

Finding the Fourth Proportional to 144,328.29, 216,339.35 and 55,543.38

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Solution

The fourth proportional to 144,328.29, 216,339.35 and 55,543.38 is: 83,256.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,328.29 : 216,339.35 = 55,543.38 : x
  2. Step 2: Convert to fraction form
    144,328.29/216,339.35 = 55,543.38/x
  3. Step 3: Cross multiply
    144,328.29x = 216,339.35 × 55,543.38
  4. Step 4: Simplify right side
    144,328.29x = 12,016,218,448.29
  5. Step 5: Solve for x
    x = 12,016,218,448.29/144,328.29
  6. Step 6: Final answer
    x = 83,256.15

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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.