Home / 142,045.70-213,013.17-53,250.75

Finding the Fourth Proportional to 142,045.70, 213,013.17 and 53,250.75

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Solution

The fourth proportional to 142,045.70, 213,013.17 and 53,250.75 is: 79,855.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,045.70 : 213,013.17 = 53,250.75 : x
  2. Step 2: Convert to fraction form
    142,045.70/213,013.17 = 53,250.75/x
  3. Step 3: Cross multiply
    142,045.70x = 213,013.17 × 53,250.75
  4. Step 4: Simplify right side
    142,045.70x = 11,343,111,062.38
  5. Step 5: Solve for x
    x = 11,343,111,062.38/142,045.70
  6. Step 6: Final answer
    x = 79,855.37

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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.