Home / 130,001.40-195,002.10-112,505.40

Finding the Fourth Proportional to 130,001.40, 195,002.10 and 112,505.40

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Solution

The fourth proportional to 130,001.40, 195,002.10 and 112,505.40 is: 168,758.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,001.40 : 195,002.10 = 112,505.40 : x
  2. Step 2: Convert to fraction form
    130,001.40/195,002.10 = 112,505.40/x
  3. Step 3: Cross multiply
    130,001.40x = 195,002.10 × 112,505.40
  4. Step 4: Simplify right side
    130,001.40x = 21,938,789,261.34
  5. Step 5: Solve for x
    x = 21,938,789,261.34/130,001.40
  6. Step 6: Final answer
    x = 168,758.10

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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.