Home / 229,587.47-316,836.56-126,220.40

Finding the Fourth Proportional to 229,587.47, 316,836.56 and 126,220.40

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Solution

The fourth proportional to 229,587.47, 316,836.56 and 126,220.40 is: 174,187.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,587.47 : 316,836.56 = 126,220.40 : x
  2. Step 2: Convert to fraction form
    229,587.47/316,836.56 = 126,220.40/x
  3. Step 3: Cross multiply
    229,587.47x = 316,836.56 × 126,220.40
  4. Step 4: Simplify right side
    229,587.47x = 39,991,237,337.82
  5. Step 5: Solve for x
    x = 39,991,237,337.82/229,587.47
  6. Step 6: Final answer
    x = 174,187.37

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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.