Home / 229,008.07-316,036.20-127,030.20

Finding the Fourth Proportional to 229,008.07, 316,036.20 and 127,030.20

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Solution

The fourth proportional to 229,008.07, 316,036.20 and 127,030.20 is: 175,304.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,008.07 : 316,036.20 = 127,030.20 : x
  2. Step 2: Convert to fraction form
    229,008.07/316,036.20 = 127,030.20/x
  3. Step 3: Cross multiply
    229,008.07x = 316,036.20 × 127,030.20
  4. Step 4: Simplify right side
    229,008.07x = 40,146,141,693.24
  5. Step 5: Solve for x
    x = 40,146,141,693.24/229,008.07
  6. Step 6: Final answer
    x = 175,304.48

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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.