Home / 153,273.76-229,979.76-70,191.52

Finding the Fourth Proportional to 153,273.76, 229,979.76 and 70,191.52

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Solution

The fourth proportional to 153,273.76, 229,979.76 and 70,191.52 is: 105,318.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,273.76 : 229,979.76 = 70,191.52 : x
  2. Step 2: Convert to fraction form
    153,273.76/229,979.76 = 70,191.52/x
  3. Step 3: Cross multiply
    153,273.76x = 229,979.76 × 70,191.52
  4. Step 4: Simplify right side
    153,273.76x = 16,142,628,923.64
  5. Step 5: Solve for x
    x = 16,142,628,923.64/153,273.76
  6. Step 6: Final answer
    x = 105,318.93

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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.