Home / 229,528.08-316,747.08-128,926.80

Finding the Fourth Proportional to 229,528.08, 316,747.08 and 128,926.80

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Solution

The fourth proportional to 229,528.08, 316,747.08 and 128,926.80 is: 177,918.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,528.08 : 316,747.08 = 128,926.80 : x
  2. Step 2: Convert to fraction form
    229,528.08/316,747.08 = 128,926.80/x
  3. Step 3: Cross multiply
    229,528.08x = 316,747.08 × 128,926.80
  4. Step 4: Simplify right side
    229,528.08x = 40,837,187,433.74
  5. Step 5: Solve for x
    x = 40,837,187,433.74/229,528.08
  6. Step 6: Final answer
    x = 177,918.05

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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.