Home / 126,869.81-175,091.01-70,286.45

Finding the Fourth Proportional to 126,869.81, 175,091.01 and 70,286.45

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Solution

The fourth proportional to 126,869.81, 175,091.01 and 70,286.45 is: 97,001.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,869.81 : 175,091.01 = 70,286.45 : x
  2. Step 2: Convert to fraction form
    126,869.81/175,091.01 = 70,286.45/x
  3. Step 3: Cross multiply
    126,869.81x = 175,091.01 × 70,286.45
  4. Step 4: Simplify right side
    126,869.81x = 12,306,525,519.81
  5. Step 5: Solve for x
    x = 12,306,525,519.81/126,869.81
  6. Step 6: Final answer
    x = 97,001.21

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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.