Home / 111,228.90-153,495.09-60,240.45

Finding the Fourth Proportional to 111,228.90, 153,495.09 and 60,240.45

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Solution

The fourth proportional to 111,228.90, 153,495.09 and 60,240.45 is: 83,131.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,228.90 : 153,495.09 = 60,240.45 : x
  2. Step 2: Convert to fraction form
    111,228.90/153,495.09 = 60,240.45/x
  3. Step 3: Cross multiply
    111,228.90x = 153,495.09 × 60,240.45
  4. Step 4: Simplify right side
    111,228.90x = 9,246,613,294.39
  5. Step 5: Solve for x
    x = 9,246,613,294.39/111,228.90
  6. Step 6: Final answer
    x = 83,131.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.