Home / 148,646.70-205,074.06-84,950.34

Finding the Fourth Proportional to 148,646.70, 205,074.06 and 84,950.34

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Solution

The fourth proportional to 148,646.70, 205,074.06 and 84,950.34 is: 117,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,646.70 : 205,074.06 = 84,950.34 : x
  2. Step 2: Convert to fraction form
    148,646.70/205,074.06 = 84,950.34/x
  3. Step 3: Cross multiply
    148,646.70x = 205,074.06 × 84,950.34
  4. Step 4: Simplify right side
    148,646.70x = 17,421,111,122.18
  5. Step 5: Solve for x
    x = 17,421,111,122.18/148,646.70
  6. Step 6: Final answer
    x = 117,198.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.