Home / 144,529.80-216,794.70-102,539.40

Finding the Fourth Proportional to 144,529.80, 216,794.70 and 102,539.40

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Solution

The fourth proportional to 144,529.80, 216,794.70 and 102,539.40 is: 153,809.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,529.80 : 216,794.70 = 102,539.40 : x
  2. Step 2: Convert to fraction form
    144,529.80/216,794.70 = 102,539.40/x
  3. Step 3: Cross multiply
    144,529.80x = 216,794.70 × 102,539.40
  4. Step 4: Simplify right side
    144,529.80x = 22,229,998,461.18
  5. Step 5: Solve for x
    x = 22,229,998,461.18/144,529.80
  6. Step 6: Final answer
    x = 153,809.10

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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.