Home / 152,318.07-210,193.78-84,337.91

Finding the Fourth Proportional to 152,318.07, 210,193.78 and 84,337.91

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Solution

The fourth proportional to 152,318.07, 210,193.78 and 84,337.91 is: 116,383.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,318.07 : 210,193.78 = 84,337.91 : x
  2. Step 2: Convert to fraction form
    152,318.07/210,193.78 = 84,337.91/x
  3. Step 3: Cross multiply
    152,318.07x = 210,193.78 × 84,337.91
  4. Step 4: Simplify right side
    152,318.07x = 17,727,304,100.20
  5. Step 5: Solve for x
    x = 17,727,304,100.20/152,318.07
  6. Step 6: Final answer
    x = 116,383.46

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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.