Home / 148,977.20-223,465.80-89,928.20

Finding the Fourth Proportional to 148,977.20, 223,465.80 and 89,928.20

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Solution

The fourth proportional to 148,977.20, 223,465.80 and 89,928.20 is: 134,892.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,977.20 : 223,465.80 = 89,928.20 : x
  2. Step 2: Convert to fraction form
    148,977.20/223,465.80 = 89,928.20/x
  3. Step 3: Cross multiply
    148,977.20x = 223,465.80 × 89,928.20
  4. Step 4: Simplify right side
    148,977.20x = 20,095,877,155.56
  5. Step 5: Solve for x
    x = 20,095,877,155.56/148,977.20
  6. Step 6: Final answer
    x = 134,892.30

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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.