Home / 157,640.40-236,460.60-148,309.20

Finding the Fourth Proportional to 157,640.40, 236,460.60 and 148,309.20

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Solution

The fourth proportional to 157,640.40, 236,460.60 and 148,309.20 is: 222,463.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,640.40 : 236,460.60 = 148,309.20 : x
  2. Step 2: Convert to fraction form
    157,640.40/236,460.60 = 148,309.20/x
  3. Step 3: Cross multiply
    157,640.40x = 236,460.60 × 148,309.20
  4. Step 4: Simplify right side
    157,640.40x = 35,069,282,417.52
  5. Step 5: Solve for x
    x = 35,069,282,417.52/157,640.40
  6. Step 6: Final answer
    x = 222,463.80

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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.