Home / 151,478.40-227,071.80-117,725.70

Finding the Fourth Proportional to 151,478.40, 227,071.80 and 117,725.70

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Solution

The fourth proportional to 151,478.40, 227,071.80 and 117,725.70 is: 176,475.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,478.40 : 227,071.80 = 117,725.70 : x
  2. Step 2: Convert to fraction form
    151,478.40/227,071.80 = 117,725.70/x
  3. Step 3: Cross multiply
    151,478.40x = 227,071.80 × 117,725.70
  4. Step 4: Simplify right side
    151,478.40x = 26,732,186,605.26
  5. Step 5: Solve for x
    x = 26,732,186,605.26/151,478.40
  6. Step 6: Final answer
    x = 176,475.24

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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.