Home / 153,042.12-229,602.06-89,915.58

Finding the Fourth Proportional to 153,042.12, 229,602.06 and 89,915.58

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Solution

The fourth proportional to 153,042.12, 229,602.06 and 89,915.58 is: 134,896.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,042.12 : 229,602.06 = 89,915.58 : x
  2. Step 2: Convert to fraction form
    153,042.12/229,602.06 = 89,915.58/x
  3. Step 3: Cross multiply
    153,042.12x = 229,602.06 × 89,915.58
  4. Step 4: Simplify right side
    153,042.12x = 20,644,802,394.09
  5. Step 5: Solve for x
    x = 20,644,802,394.09/153,042.12
  6. Step 6: Final answer
    x = 134,896.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.