Home / 130,021.40-195,032.10-112,525.40

Finding the Fourth Proportional to 130,021.40, 195,032.10 and 112,525.40

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Solution

The fourth proportional to 130,021.40, 195,032.10 and 112,525.40 is: 168,788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,021.40 : 195,032.10 = 112,525.40 : x
  2. Step 2: Convert to fraction form
    130,021.40/195,032.10 = 112,525.40/x
  3. Step 3: Cross multiply
    130,021.40x = 195,032.10 × 112,525.40
  4. Step 4: Simplify right side
    130,021.40x = 21,946,065,065.34
  5. Step 5: Solve for x
    x = 21,946,065,065.34/130,021.40
  6. Step 6: Final answer
    x = 168,788.10

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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.