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Finding the Fourth Proportional to 153,123.41, 229,731.73 and 78,296.11

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Solution

The fourth proportional to 153,123.41, 229,731.73 and 78,296.11 is: 117,468.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,123.41 : 229,731.73 = 78,296.11 : x
  2. Step 2: Convert to fraction form
    153,123.41/229,731.73 = 78,296.11/x
  3. Step 3: Cross multiply
    153,123.41x = 229,731.73 × 78,296.11
  4. Step 4: Simplify right side
    153,123.41x = 17,987,100,802.57
  5. Step 5: Solve for x
    x = 17,987,100,802.57/153,123.41
  6. Step 6: Final answer
    x = 117,468.00

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1.5x scale

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.