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Finding the Fourth Proportional to 152,801.80, 229,202.70 and 139,023.70

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Solution

The fourth proportional to 152,801.80, 229,202.70 and 139,023.70 is: 208,535.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,801.80 : 229,202.70 = 139,023.70 : x
  2. Step 2: Convert to fraction form
    152,801.80/229,202.70 = 139,023.70/x
  3. Step 3: Cross multiply
    152,801.80x = 229,202.70 × 139,023.70
  4. Step 4: Simplify right side
    152,801.80x = 31,864,607,403.99
  5. Step 5: Solve for x
    x = 31,864,607,403.99/152,801.80
  6. Step 6: Final answer
    x = 208,535.55

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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.