Home / 126,108.12-174,020.49-70,925.71

Finding the Fourth Proportional to 126,108.12, 174,020.49 and 70,925.71

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Solution

The fourth proportional to 126,108.12, 174,020.49 and 70,925.71 is: 97,872.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,108.12 : 174,020.49 = 70,925.71 : x
  2. Step 2: Convert to fraction form
    126,108.12/174,020.49 = 70,925.71/x
  3. Step 3: Cross multiply
    126,108.12x = 174,020.49 × 70,925.71
  4. Step 4: Simplify right side
    126,108.12x = 12,342,525,583.07
  5. Step 5: Solve for x
    x = 12,342,525,583.07/126,108.12
  6. Step 6: Final answer
    x = 97,872.57

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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.