Home / 152,267.03-210,128.90-84,288.69

Finding the Fourth Proportional to 152,267.03, 210,128.90 and 84,288.69

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Solution

The fourth proportional to 152,267.03, 210,128.90 and 84,288.69 is: 116,318.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,267.03 : 210,128.90 = 84,288.69 : x
  2. Step 2: Convert to fraction form
    152,267.03/210,128.90 = 84,288.69/x
  3. Step 3: Cross multiply
    152,267.03x = 210,128.90 × 84,288.69
  4. Step 4: Simplify right side
    152,267.03x = 17,711,489,712.14
  5. Step 5: Solve for x
    x = 17,711,489,712.14/152,267.03
  6. Step 6: Final answer
    x = 116,318.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.