Home / 148,947.80-223,421.70-89,965.40

Finding the Fourth Proportional to 148,947.80, 223,421.70 and 89,965.40

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Solution

The fourth proportional to 148,947.80, 223,421.70 and 89,965.40 is: 134,948.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,947.80 : 223,421.70 = 89,965.40 : x
  2. Step 2: Convert to fraction form
    148,947.80/223,421.70 = 89,965.40/x
  3. Step 3: Cross multiply
    148,947.80x = 223,421.70 × 89,965.40
  4. Step 4: Simplify right side
    148,947.80x = 20,100,222,609.18
  5. Step 5: Solve for x
    x = 20,100,222,609.18/148,947.80
  6. Step 6: Final answer
    x = 134,948.10

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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.