Home / 145,725.04-218,247.36-112,178.92

Finding the Fourth Proportional to 145,725.04, 218,247.36 and 112,178.92

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Solution

The fourth proportional to 145,725.04, 218,247.36 and 112,178.92 is: 168,006.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,725.04 : 218,247.36 = 112,178.92 : x
  2. Step 2: Convert to fraction form
    145,725.04/218,247.36 = 112,178.92/x
  3. Step 3: Cross multiply
    145,725.04x = 218,247.36 × 112,178.92
  4. Step 4: Simplify right side
    145,725.04x = 24,482,753,137.65
  5. Step 5: Solve for x
    x = 24,482,753,137.65/145,725.04
  6. Step 6: Final answer
    x = 168,006.49

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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.