Home / 229,777.50-317,092.95-129,176.22

Finding the Fourth Proportional to 229,777.50, 317,092.95 and 129,176.22

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Solution

The fourth proportional to 229,777.50, 317,092.95 and 129,176.22 is: 178,263.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,777.50 : 317,092.95 = 129,176.22 : x
  2. Step 2: Convert to fraction form
    229,777.50/317,092.95 = 129,176.22/x
  3. Step 3: Cross multiply
    229,777.50x = 317,092.95 × 129,176.22
  4. Step 4: Simplify right side
    229,777.50x = 40,960,868,669.65
  5. Step 5: Solve for x
    x = 40,960,868,669.65/229,777.50
  6. Step 6: Final answer
    x = 178,263.18

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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.