Home / 157,491.09-236,347.34-142,433.60

Finding the Fourth Proportional to 157,491.09, 236,347.34 and 142,433.60

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Solution

The fourth proportional to 157,491.09, 236,347.34 and 142,433.60 is: 213,750.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,491.09 : 236,347.34 = 142,433.60 : x
  2. Step 2: Convert to fraction form
    157,491.09/236,347.34 = 142,433.60/x
  3. Step 3: Cross multiply
    157,491.09x = 236,347.34 × 142,433.60
  4. Step 4: Simplify right side
    157,491.09x = 33,663,800,592.72
  5. Step 5: Solve for x
    x = 33,663,800,592.72/157,491.09
  6. Step 6: Final answer
    x = 213,750.51

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1.5x scale

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.