Home / 130,501.40-196,043.70-127,002.20

Finding the Fourth Proportional to 130,501.40, 196,043.70 and 127,002.20

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Solution

The fourth proportional to 130,501.40, 196,043.70 and 127,002.20 is: 190,787.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,501.40 : 196,043.70 = 127,002.20 : x
  2. Step 2: Convert to fraction form
    130,501.40/196,043.70 = 127,002.20/x
  3. Step 3: Cross multiply
    130,501.40x = 196,043.70 × 127,002.20
  4. Step 4: Simplify right side
    130,501.40x = 24,897,981,196.14
  5. Step 5: Solve for x
    x = 24,897,981,196.14/130,501.40
  6. Step 6: Final answer
    x = 190,787.08

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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.