Home / 133,308.47-183,967.88-79,598.18

Finding the Fourth Proportional to 133,308.47, 183,967.88 and 79,598.18

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Solution

The fourth proportional to 133,308.47, 183,967.88 and 79,598.18 is: 109,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,308.47 : 183,967.88 = 79,598.18 : x
  2. Step 2: Convert to fraction form
    133,308.47/183,967.88 = 79,598.18/x
  3. Step 3: Cross multiply
    133,308.47x = 183,967.88 × 79,598.18
  4. Step 4: Simplify right side
    133,308.47x = 14,643,508,426.46
  5. Step 5: Solve for x
    x = 14,643,508,426.46/133,308.47
  6. Step 6: Final answer
    x = 109,846.80

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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.