Home / 144,621.40-216,897.12-55,818.28

Finding the Fourth Proportional to 144,621.40, 216,897.12 and 55,818.28

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Solution

The fourth proportional to 144,621.40, 216,897.12 and 55,818.28 is: 83,713.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,621.40 : 216,897.12 = 55,818.28 : x
  2. Step 2: Convert to fraction form
    144,621.40/216,897.12 = 55,818.28/x
  3. Step 3: Cross multiply
    144,621.40x = 216,897.12 × 55,818.28
  4. Step 4: Simplify right side
    144,621.40x = 12,106,824,175.35
  5. Step 5: Solve for x
    x = 12,106,824,175.35/144,621.40
  6. Step 6: Final answer
    x = 83,713.92

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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.