Home / 157,109.90-235,661.66-38,782.26

Finding the Fourth Proportional to 157,109.90, 235,661.66 and 38,782.26

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Solution

The fourth proportional to 157,109.90, 235,661.66 and 38,782.26 is: 58,172.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,109.90 : 235,661.66 = 38,782.26 : x
  2. Step 2: Convert to fraction form
    157,109.90/235,661.66 = 38,782.26/x
  3. Step 3: Cross multiply
    157,109.90x = 235,661.66 × 38,782.26
  4. Step 4: Simplify right side
    157,109.90x = 9,139,492,605.41
  5. Step 5: Solve for x
    x = 9,139,492,605.41/157,109.90
  6. Step 6: Final answer
    x = 58,172.61

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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.