Home / 152,880.48-229,312.62-47,687.40

Finding the Fourth Proportional to 152,880.48, 229,312.62 and 47,687.40

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Solution

The fourth proportional to 152,880.48, 229,312.62 and 47,687.40 is: 71,528.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,880.48 : 229,312.62 = 47,687.40 : x
  2. Step 2: Convert to fraction form
    152,880.48/229,312.62 = 47,687.40/x
  3. Step 3: Cross multiply
    152,880.48x = 229,312.62 × 47,687.40
  4. Step 4: Simplify right side
    152,880.48x = 10,935,322,634.99
  5. Step 5: Solve for x
    x = 10,935,322,634.99/152,880.48
  6. Step 6: Final answer
    x = 71,528.57

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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.