Home / 99,007.20-148,510.80-36,669.60

Finding the Fourth Proportional to 99,007.20, 148,510.80 and 36,669.60

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Solution

The fourth proportional to 99,007.20, 148,510.80 and 36,669.60 is: 55,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,007.20 : 148,510.80 = 36,669.60 : x
  2. Step 2: Convert to fraction form
    99,007.20/148,510.80 = 36,669.60/x
  3. Step 3: Cross multiply
    99,007.20x = 148,510.80 × 36,669.60
  4. Step 4: Simplify right side
    99,007.20x = 5,445,831,631.68
  5. Step 5: Solve for x
    x = 5,445,831,631.68/99,007.20
  6. Step 6: Final answer
    x = 55,004.40

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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.