Home / 148,004.40-221,569.20-98,140.80

Finding the Fourth Proportional to 148,004.40, 221,569.20 and 98,140.80

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Solution

The fourth proportional to 148,004.40, 221,569.20 and 98,140.80 is: 146,921.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,004.40 : 221,569.20 = 98,140.80 : x
  2. Step 2: Convert to fraction form
    148,004.40/221,569.20 = 98,140.80/x
  3. Step 3: Cross multiply
    148,004.40x = 221,569.20 × 98,140.80
  4. Step 4: Simplify right side
    148,004.40x = 21,744,978,543.36
  5. Step 5: Solve for x
    x = 21,744,978,543.36/148,004.40
  6. Step 6: Final answer
    x = 146,921.16

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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.