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Finding the Fourth Proportional to 152,897.40, 229,200.30 and 119,144.70

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Solution

The fourth proportional to 152,897.40, 229,200.30 and 119,144.70 is: 178,603.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,897.40 : 229,200.30 = 119,144.70 : x
  2. Step 2: Convert to fraction form
    152,897.40/229,200.30 = 119,144.70/x
  3. Step 3: Cross multiply
    152,897.40x = 229,200.30 × 119,144.70
  4. Step 4: Simplify right side
    152,897.40x = 27,308,000,983.41
  5. Step 5: Solve for x
    x = 27,308,000,983.41/152,897.40
  6. Step 6: Final answer
    x = 178,603.44

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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.