Home / 172,128.75-237,559.95-96,677.25

Finding the Fourth Proportional to 172,128.75, 237,559.95 and 96,677.25

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Solution

The fourth proportional to 172,128.75, 237,559.95 and 96,677.25 is: 133,427.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,128.75 : 237,559.95 = 96,677.25 : x
  2. Step 2: Convert to fraction form
    172,128.75/237,559.95 = 96,677.25/x
  3. Step 3: Cross multiply
    172,128.75x = 237,559.95 × 96,677.25
  4. Step 4: Simplify right side
    172,128.75x = 22,966,642,676.14
  5. Step 5: Solve for x
    x = 22,966,642,676.14/172,128.75
  6. Step 6: Final answer
    x = 133,427.12

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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.