Home / 229,013.21-316,040.13-127,045.35

Finding the Fourth Proportional to 229,013.21, 316,040.13 and 127,045.35

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Solution

The fourth proportional to 229,013.21, 316,040.13 and 127,045.35 is: 175,323.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,013.21 : 316,040.13 = 127,045.35 : x
  2. Step 2: Convert to fraction form
    229,013.21/316,040.13 = 127,045.35/x
  3. Step 3: Cross multiply
    229,013.21x = 316,040.13 × 127,045.35
  4. Step 4: Simplify right side
    229,013.21x = 40,151,428,929.90
  5. Step 5: Solve for x
    x = 40,151,428,929.90/229,013.21
  6. Step 6: Final answer
    x = 175,323.64

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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.