Home / 130,400.10-195,600.15-98,907.30

Finding the Fourth Proportional to 130,400.10, 195,600.15 and 98,907.30

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Solution

The fourth proportional to 130,400.10, 195,600.15 and 98,907.30 is: 148,360.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,400.10 : 195,600.15 = 98,907.30 : x
  2. Step 2: Convert to fraction form
    130,400.10/195,600.15 = 98,907.30/x
  3. Step 3: Cross multiply
    130,400.10x = 195,600.15 × 98,907.30
  4. Step 4: Simplify right side
    130,400.10x = 19,346,282,716.10
  5. Step 5: Solve for x
    x = 19,346,282,716.10/130,400.10
  6. Step 6: Final answer
    x = 148,360.95

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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.