Home / 144,126.84-216,195.12-38,946.72

Finding the Fourth Proportional to 144,126.84, 216,195.12 and 38,946.72

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Solution

The fourth proportional to 144,126.84, 216,195.12 and 38,946.72 is: 58,421.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,126.84 : 216,195.12 = 38,946.72 : x
  2. Step 2: Convert to fraction form
    144,126.84/216,195.12 = 38,946.72/x
  3. Step 3: Cross multiply
    144,126.84x = 216,195.12 × 38,946.72
  4. Step 4: Simplify right side
    144,126.84x = 8,420,090,804.01
  5. Step 5: Solve for x
    x = 8,420,090,804.01/144,126.84
  6. Step 6: Final answer
    x = 58,421.39

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1.5x scale

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.