Home / 142,166.14-213,323.04-57,988.06

Finding the Fourth Proportional to 142,166.14, 213,323.04 and 57,988.06

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Solution

The fourth proportional to 142,166.14, 213,323.04 and 57,988.06 is: 87,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,166.14 : 213,323.04 = 57,988.06 : x
  2. Step 2: Convert to fraction form
    142,166.14/213,323.04 = 57,988.06/x
  3. Step 3: Cross multiply
    142,166.14x = 213,323.04 × 57,988.06
  4. Step 4: Simplify right side
    142,166.14x = 12,370,189,242.90
  5. Step 5: Solve for x
    x = 12,370,189,242.90/142,166.14
  6. Step 6: Final answer
    x = 87,012.20

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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.