Home / 142,034.51-213,052.07-57,735.18

Finding the Fourth Proportional to 142,034.51, 213,052.07 and 57,735.18

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Solution

The fourth proportional to 142,034.51, 213,052.07 and 57,735.18 is: 86,602.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,034.51 : 213,052.07 = 57,735.18 : x
  2. Step 2: Convert to fraction form
    142,034.51/213,052.07 = 57,735.18/x
  3. Step 3: Cross multiply
    142,034.51x = 213,052.07 × 57,735.18
  4. Step 4: Simplify right side
    142,034.51x = 12,300,599,755.16
  5. Step 5: Solve for x
    x = 12,300,599,755.16/142,034.51
  6. Step 6: Final answer
    x = 86,602.89

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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.