Home / 98,743.14-136,123.74-70,399.62

Finding the Fourth Proportional to 98,743.14, 136,123.74 and 70,399.62

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Solution

The fourth proportional to 98,743.14, 136,123.74 and 70,399.62 is: 97,050.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,743.14 : 136,123.74 = 70,399.62 : x
  2. Step 2: Convert to fraction form
    98,743.14/136,123.74 = 70,399.62/x
  3. Step 3: Cross multiply
    98,743.14x = 136,123.74 × 70,399.62
  4. Step 4: Simplify right side
    98,743.14x = 9,583,059,568.98
  5. Step 5: Solve for x
    x = 9,583,059,568.98/98,743.14
  6. Step 6: Final answer
    x = 97,050.38

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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.