Home / 145,709.04-218,223.36-112,162.89

Finding the Fourth Proportional to 145,709.04, 218,223.36 and 112,162.89

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Solution

The fourth proportional to 145,709.04, 218,223.36 and 112,162.89 is: 167,982.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,709.04 : 218,223.36 = 112,162.89 : x
  2. Step 2: Convert to fraction form
    145,709.04/218,223.36 = 112,162.89/x
  3. Step 3: Cross multiply
    145,709.04x = 218,223.36 × 112,162.89
  4. Step 4: Simplify right side
    145,709.04x = 24,476,562,723.11
  5. Step 5: Solve for x
    x = 24,476,562,723.11/145,709.04
  6. Step 6: Final answer
    x = 167,982.46

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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.