Home / 152,238.12-210,084.30-84,257.91

Finding the Fourth Proportional to 152,238.12, 210,084.30 and 84,257.91

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Solution

The fourth proportional to 152,238.12, 210,084.30 and 84,257.91 is: 116,273.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,238.12 : 210,084.30 = 84,257.91 : x
  2. Step 2: Convert to fraction form
    152,238.12/210,084.30 = 84,257.91/x
  3. Step 3: Cross multiply
    152,238.12x = 210,084.30 × 84,257.91
  4. Step 4: Simplify right side
    152,238.12x = 17,701,264,041.81
  5. Step 5: Solve for x
    x = 17,701,264,041.81/152,238.12
  6. Step 6: Final answer
    x = 116,273.53

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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.