Home / 126,732.96-174,897-70,144.32

Finding the Fourth Proportional to 126,732.96, 174,897 and 70,144.32

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Solution

The fourth proportional to 126,732.96, 174,897 and 70,144.32 is: 96,802.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,732.96 : 174,897 = 70,144.32 : x
  2. Step 2: Convert to fraction form
    126,732.96/174,897 = 70,144.32/x
  3. Step 3: Cross multiply
    126,732.96x = 174,897 × 70,144.32
  4. Step 4: Simplify right side
    126,732.96x = 12,268,031,135.04
  5. Step 5: Solve for x
    x = 12,268,031,135.04/126,732.96
  6. Step 6: Final answer
    x = 96,802.21

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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.