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Finding the Fourth Proportional to 152,030.70, 228,175.65 and 67,920.30

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Solution

The fourth proportional to 152,030.70, 228,175.65 and 67,920.30 is: 101,938.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,030.70 : 228,175.65 = 67,920.30 : x
  2. Step 2: Convert to fraction form
    152,030.70/228,175.65 = 67,920.30/x
  3. Step 3: Cross multiply
    152,030.70x = 228,175.65 × 67,920.30
  4. Step 4: Simplify right side
    152,030.70x = 15,497,758,600.70
  5. Step 5: Solve for x
    x = 15,497,758,600.70/152,030.70
  6. Step 6: Final answer
    x = 101,938.35

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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.