Home / 142,247.53-213,403.07-53,501.80

Finding the Fourth Proportional to 142,247.53, 213,403.07 and 53,501.80

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Solution

The fourth proportional to 142,247.53, 213,403.07 and 53,501.80 is: 80,264.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,247.53 : 213,403.07 = 53,501.80 : x
  2. Step 2: Convert to fraction form
    142,247.53/213,403.07 = 53,501.80/x
  3. Step 3: Cross multiply
    142,247.53x = 213,403.07 × 53,501.80
  4. Step 4: Simplify right side
    142,247.53x = 11,417,448,370.53
  5. Step 5: Solve for x
    x = 11,417,448,370.53/142,247.53
  6. Step 6: Final answer
    x = 80,264.65

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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.