Home / 142,209.20-213,256.20-48,666.80

Finding the Fourth Proportional to 142,209.20, 213,256.20 and 48,666.80

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Solution

The fourth proportional to 142,209.20, 213,256.20 and 48,666.80 is: 72,980.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,209.20 : 213,256.20 = 48,666.80 : x
  2. Step 2: Convert to fraction form
    142,209.20/213,256.20 = 48,666.80/x
  3. Step 3: Cross multiply
    142,209.20x = 213,256.20 × 48,666.80
  4. Step 4: Simplify right side
    142,209.20x = 10,378,496,834.16
  5. Step 5: Solve for x
    x = 10,378,496,834.16/142,209.20
  6. Step 6: Final answer
    x = 72,980.49

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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.