Home / 152,369.20-210,165.43-104,539.51

Finding the Fourth Proportional to 152,369.20, 210,165.43 and 104,539.51

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Solution

The fourth proportional to 152,369.20, 210,165.43 and 104,539.51 is: 144,193.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,369.20 : 210,165.43 = 104,539.51 : x
  2. Step 2: Convert to fraction form
    152,369.20/210,165.43 = 104,539.51/x
  3. Step 3: Cross multiply
    152,369.20x = 210,165.43 × 104,539.51
  4. Step 4: Simplify right side
    152,369.20x = 21,970,591,071.14
  5. Step 5: Solve for x
    x = 21,970,591,071.14/152,369.20
  6. Step 6: Final answer
    x = 144,193.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.