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Finding the Fourth Proportional to 149,637.92, 224,145.84 and 70,815.20

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Solution

The fourth proportional to 149,637.92, 224,145.84 and 70,815.20 is: 106,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,637.92 : 224,145.84 = 70,815.20 : x
  2. Step 2: Convert to fraction form
    149,637.92/224,145.84 = 70,815.20/x
  3. Step 3: Cross multiply
    149,637.92x = 224,145.84 × 70,815.20
  4. Step 4: Simplify right side
    149,637.92x = 15,872,932,488.77
  5. Step 5: Solve for x
    x = 15,872,932,488.77/149,637.92
  6. Step 6: Final answer
    x = 106,075.60

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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.