Home / 152,631.04-210,635.14-92,212.52

Finding the Fourth Proportional to 152,631.04, 210,635.14 and 92,212.52

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Solution

The fourth proportional to 152,631.04, 210,635.14 and 92,212.52 is: 127,255.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,631.04 : 210,635.14 = 92,212.52 : x
  2. Step 2: Convert to fraction form
    152,631.04/210,635.14 = 92,212.52/x
  3. Step 3: Cross multiply
    152,631.04x = 210,635.14 × 92,212.52
  4. Step 4: Simplify right side
    152,631.04x = 19,423,197,059.95
  5. Step 5: Solve for x
    x = 19,423,197,059.95/152,631.04
  6. Step 6: Final answer
    x = 127,255.88

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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.