Home / 152,973.65-229,575.36-78,156.38

Finding the Fourth Proportional to 152,973.65, 229,575.36 and 78,156.38

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Solution

The fourth proportional to 152,973.65, 229,575.36 and 78,156.38 is: 117,293.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,973.65 : 229,575.36 = 78,156.38 : x
  2. Step 2: Convert to fraction form
    152,973.65/229,575.36 = 78,156.38/x
  3. Step 3: Cross multiply
    152,973.65x = 229,575.36 × 78,156.38
  4. Step 4: Simplify right side
    152,973.65x = 17,942,777,926.92
  5. Step 5: Solve for x
    x = 17,942,777,926.92/152,973.65
  6. Step 6: Final answer
    x = 117,293.26

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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.