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Finding the Fourth Proportional to 130,359.60, 195,539.40 and 98,866.80

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Solution

The fourth proportional to 130,359.60, 195,539.40 and 98,866.80 is: 148,300.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,359.60 : 195,539.40 = 98,866.80 : x
  2. Step 2: Convert to fraction form
    130,359.60/195,539.40 = 98,866.80/x
  3. Step 3: Cross multiply
    130,359.60x = 195,539.40 × 98,866.80
  4. Step 4: Simplify right side
    130,359.60x = 19,332,354,751.92
  5. Step 5: Solve for x
    x = 19,332,354,751.92/130,359.60
  6. Step 6: Final answer
    x = 148,300.20

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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.