Home / 144,068.08-215,831.76-55,261.30

Finding the Fourth Proportional to 144,068.08, 215,831.76 and 55,261.30

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Solution

The fourth proportional to 144,068.08, 215,831.76 and 55,261.30 is: 82,788.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,068.08 : 215,831.76 = 55,261.30 : x
  2. Step 2: Convert to fraction form
    144,068.08/215,831.76 = 55,261.30/x
  3. Step 3: Cross multiply
    144,068.08x = 215,831.76 × 55,261.30
  4. Step 4: Simplify right side
    144,068.08x = 11,927,143,638.89
  5. Step 5: Solve for x
    x = 11,927,143,638.89/144,068.08
  6. Step 6: Final answer
    x = 82,788.25

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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.