Home / 112,803.04-155,668-62,502.08

Finding the Fourth Proportional to 112,803.04, 155,668 and 62,502.08

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Solution

The fourth proportional to 112,803.04, 155,668 and 62,502.08 is: 86,252.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,803.04 : 155,668 = 62,502.08 : x
  2. Step 2: Convert to fraction form
    112,803.04/155,668 = 62,502.08/x
  3. Step 3: Cross multiply
    112,803.04x = 155,668 × 62,502.08
  4. Step 4: Simplify right side
    112,803.04x = 9,729,573,789.44
  5. Step 5: Solve for x
    x = 9,729,573,789.44/112,803.04
  6. Step 6: Final answer
    x = 86,252.76

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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.