Home / 153,043.47-229,564.91-40,723.70

Finding the Fourth Proportional to 153,043.47, 229,564.91 and 40,723.70

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Solution

The fourth proportional to 153,043.47, 229,564.91 and 40,723.70 is: 61,085.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,043.47 : 229,564.91 = 40,723.70 : x
  2. Step 2: Convert to fraction form
    153,043.47/229,564.91 = 40,723.70/x
  3. Step 3: Cross multiply
    153,043.47x = 229,564.91 × 40,723.70
  4. Step 4: Simplify right side
    153,043.47x = 9,348,731,173.92
  5. Step 5: Solve for x
    x = 9,348,731,173.92/153,043.47
  6. Step 6: Final answer
    x = 61,085.46

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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.