Home / 130,192.16-194,972.90-90,098.80

Finding the Fourth Proportional to 130,192.16, 194,972.90 and 90,098.80

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Solution

The fourth proportional to 130,192.16, 194,972.90 and 90,098.80 is: 134,929.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,192.16 : 194,972.90 = 90,098.80 : x
  2. Step 2: Convert to fraction form
    130,192.16/194,972.90 = 90,098.80/x
  3. Step 3: Cross multiply
    130,192.16x = 194,972.90 × 90,098.80
  4. Step 4: Simplify right side
    130,192.16x = 17,566,823,384.59
  5. Step 5: Solve for x
    x = 17,566,823,384.59/130,192.16
  6. Step 6: Final answer
    x = 134,929.96

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1.5x scale

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.