Home / 216,128.02-324,207.59-83,008.28

Finding the Fourth Proportional to 216,128.02, 324,207.59 and 83,008.28

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Solution

The fourth proportional to 216,128.02, 324,207.59 and 83,008.28 is: 124,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,128.02 : 324,207.59 = 83,008.28 : x
  2. Step 2: Convert to fraction form
    216,128.02/324,207.59 = 83,008.28/x
  3. Step 3: Cross multiply
    216,128.02x = 324,207.59 × 83,008.28
  4. Step 4: Simplify right side
    216,128.02x = 26,911,914,408.85
  5. Step 5: Solve for x
    x = 26,911,914,408.85/216,128.02
  6. Step 6: Final answer
    x = 124,518.40

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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.