Home / 99,465.40-137,183.34-70,342.30

Finding the Fourth Proportional to 99,465.40, 137,183.34 and 70,342.30

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Solution

The fourth proportional to 99,465.40, 137,183.34 and 70,342.30 is: 97,016.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,465.40 : 137,183.34 = 70,342.30 : x
  2. Step 2: Convert to fraction form
    99,465.40/137,183.34 = 70,342.30/x
  3. Step 3: Cross multiply
    99,465.40x = 137,183.34 × 70,342.30
  4. Step 4: Simplify right side
    99,465.40x = 9,649,791,657.28
  5. Step 5: Solve for x
    x = 9,649,791,657.28/99,465.40
  6. Step 6: Final answer
    x = 97,016.57

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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.