Home / 130,348.20-195,176.70-102,700.20

Finding the Fourth Proportional to 130,348.20, 195,176.70 and 102,700.20

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Solution

The fourth proportional to 130,348.20, 195,176.70 and 102,700.20 is: 153,778.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,348.20 : 195,176.70 = 102,700.20 : x
  2. Step 2: Convert to fraction form
    130,348.20/195,176.70 = 102,700.20/x
  3. Step 3: Cross multiply
    130,348.20x = 195,176.70 × 102,700.20
  4. Step 4: Simplify right side
    130,348.20x = 20,044,686,125.34
  5. Step 5: Solve for x
    x = 20,044,686,125.34/130,348.20
  6. Step 6: Final answer
    x = 153,778.00

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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.