Home / 229,730.12-316,981.08-134,218.36

Finding the Fourth Proportional to 229,730.12, 316,981.08 and 134,218.36

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Solution

The fourth proportional to 229,730.12, 316,981.08 and 134,218.36 is: 185,194.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,730.12 : 316,981.08 = 134,218.36 : x
  2. Step 2: Convert to fraction form
    229,730.12/316,981.08 = 134,218.36/x
  3. Step 3: Cross multiply
    229,730.12x = 316,981.08 × 134,218.36
  4. Step 4: Simplify right side
    229,730.12x = 42,544,680,708.63
  5. Step 5: Solve for x
    x = 42,544,680,708.63/229,730.12
  6. Step 6: Final answer
    x = 185,194.18

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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.