Home / 102,159.90-153,239.85-46,019.61

Finding the Fourth Proportional to 102,159.90, 153,239.85 and 46,019.61

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Solution

The fourth proportional to 102,159.90, 153,239.85 and 46,019.61 is: 69,029.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,159.90 : 153,239.85 = 46,019.61 : x
  2. Step 2: Convert to fraction form
    102,159.90/153,239.85 = 46,019.61/x
  3. Step 3: Cross multiply
    102,159.90x = 153,239.85 × 46,019.61
  4. Step 4: Simplify right side
    102,159.90x = 7,052,038,133.46
  5. Step 5: Solve for x
    x = 7,052,038,133.46/102,159.90
  6. Step 6: Final answer
    x = 69,029.42

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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.