Home / 142,047.07-213,015.23-53,252.13

Finding the Fourth Proportional to 142,047.07, 213,015.23 and 53,252.13

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Solution

The fourth proportional to 142,047.07, 213,015.23 and 53,252.13 is: 79,857.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,047.07 : 213,015.23 = 53,252.13 : x
  2. Step 2: Convert to fraction form
    142,047.07/213,015.23 = 53,252.13/x
  3. Step 3: Cross multiply
    142,047.07x = 213,015.23 × 53,252.13
  4. Step 4: Simplify right side
    142,047.07x = 11,343,513,654.86
  5. Step 5: Solve for x
    x = 11,343,513,654.86/142,047.07
  6. Step 6: Final answer
    x = 79,857.43

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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.