Home / 152,930.79-229,396.19-47,758.77

Finding the Fourth Proportional to 152,930.79, 229,396.19 and 47,758.77

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Solution

The fourth proportional to 152,930.79, 229,396.19 and 47,758.77 is: 71,638.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,930.79 : 229,396.19 = 47,758.77 : x
  2. Step 2: Convert to fraction form
    152,930.79/229,396.19 = 47,758.77/x
  3. Step 3: Cross multiply
    152,930.79x = 229,396.19 × 47,758.77
  4. Step 4: Simplify right side
    152,930.79x = 10,955,679,638.29
  5. Step 5: Solve for x
    x = 10,955,679,638.29/152,930.79
  6. Step 6: Final answer
    x = 71,638.16

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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.