Home / 130,611.64-180,243.50-70,996.92

Finding the Fourth Proportional to 130,611.64, 180,243.50 and 70,996.92

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Solution

The fourth proportional to 130,611.64, 180,243.50 and 70,996.92 is: 97,975.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,611.64 : 180,243.50 = 70,996.92 : x
  2. Step 2: Convert to fraction form
    130,611.64/180,243.50 = 70,996.92/x
  3. Step 3: Cross multiply
    130,611.64x = 180,243.50 × 70,996.92
  4. Step 4: Simplify right side
    130,611.64x = 12,796,733,350.02
  5. Step 5: Solve for x
    x = 12,796,733,350.02/130,611.64
  6. Step 6: Final answer
    x = 97,975.44

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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.