Home / 130,410.18-195,631.65-36,915.90

Finding the Fourth Proportional to 130,410.18, 195,631.65 and 36,915.90

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Solution

The fourth proportional to 130,410.18, 195,631.65 and 36,915.90 is: 55,378.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,410.18 : 195,631.65 = 36,915.90 : x
  2. Step 2: Convert to fraction form
    130,410.18/195,631.65 = 36,915.90/x
  3. Step 3: Cross multiply
    130,410.18x = 195,631.65 × 36,915.90
  4. Step 4: Simplify right side
    130,410.18x = 7,221,918,428.24
  5. Step 5: Solve for x
    x = 7,221,918,428.24/130,410.18
  6. Step 6: Final answer
    x = 55,378.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.