Home / 102,145.07-153,024.41-57,803.65

Finding the Fourth Proportional to 102,145.07, 153,024.41 and 57,803.65

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Solution

The fourth proportional to 102,145.07, 153,024.41 and 57,803.65 is: 86,596.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,145.07 : 153,024.41 = 57,803.65 : x
  2. Step 2: Convert to fraction form
    102,145.07/153,024.41 = 57,803.65/x
  3. Step 3: Cross multiply
    102,145.07x = 153,024.41 × 57,803.65
  4. Step 4: Simplify right side
    102,145.07x = 8,845,369,199.04
  5. Step 5: Solve for x
    x = 8,845,369,199.04/102,145.07
  6. Step 6: Final answer
    x = 86,596.14

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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.