Home / 152,318.91-210,206.66-84,335.88

Finding the Fourth Proportional to 152,318.91, 210,206.66 and 84,335.88

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Solution

The fourth proportional to 152,318.91, 210,206.66 and 84,335.88 is: 116,387.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,318.91 : 210,206.66 = 84,335.88 : x
  2. Step 2: Convert to fraction form
    152,318.91/210,206.66 = 84,335.88/x
  3. Step 3: Cross multiply
    152,318.91x = 210,206.66 × 84,335.88
  4. Step 4: Simplify right side
    152,318.91x = 17,727,963,652.96
  5. Step 5: Solve for x
    x = 17,727,963,652.96/152,318.91
  6. Step 6: Final answer
    x = 116,387.15

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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.