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Finding the Fourth Proportional to 116,159.40, 174,239.10 and 76,501.80

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Solution

The fourth proportional to 116,159.40, 174,239.10 and 76,501.80 is: 114,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,159.40 : 174,239.10 = 76,501.80 : x
  2. Step 2: Convert to fraction form
    116,159.40/174,239.10 = 76,501.80/x
  3. Step 3: Cross multiply
    116,159.40x = 174,239.10 × 76,501.80
  4. Step 4: Simplify right side
    116,159.40x = 13,329,604,780.38
  5. Step 5: Solve for x
    x = 13,329,604,780.38/116,159.40
  6. Step 6: Final answer
    x = 114,752.70

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