Home / 152,319.91-210,208.04-84,336.88

Finding the Fourth Proportional to 152,319.91, 210,208.04 and 84,336.88

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Solution

The fourth proportional to 152,319.91, 210,208.04 and 84,336.88 is: 116,388.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,319.91 : 210,208.04 = 84,336.88 : x
  2. Step 2: Convert to fraction form
    152,319.91/210,208.04 = 84,336.88/x
  3. Step 3: Cross multiply
    152,319.91x = 210,208.04 × 84,336.88
  4. Step 4: Simplify right side
    152,319.91x = 17,728,290,244.52
  5. Step 5: Solve for x
    x = 17,728,290,244.52/152,319.91
  6. Step 6: Final answer
    x = 116,388.53

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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.