Home / 153,404.07-211,762.94-103,132.23

Finding the Fourth Proportional to 153,404.07, 211,762.94 and 103,132.23

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Solution

The fourth proportional to 153,404.07, 211,762.94 and 103,132.23 is: 142,366.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,404.07 : 211,762.94 = 103,132.23 : x
  2. Step 2: Convert to fraction form
    153,404.07/211,762.94 = 103,132.23/x
  3. Step 3: Cross multiply
    153,404.07x = 211,762.94 × 103,132.23
  4. Step 4: Simplify right side
    153,404.07x = 21,839,583,717.90
  5. Step 5: Solve for x
    x = 21,839,583,717.90/153,404.07
  6. Step 6: Final answer
    x = 142,366.39

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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.