Home / 142,368.14-213,681.57-75,865.10

Finding the Fourth Proportional to 142,368.14, 213,681.57 and 75,865.10

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Solution

The fourth proportional to 142,368.14, 213,681.57 and 75,865.10 is: 113,866.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,368.14 : 213,681.57 = 75,865.10 : x
  2. Step 2: Convert to fraction form
    142,368.14/213,681.57 = 75,865.10/x
  3. Step 3: Cross multiply
    142,368.14x = 213,681.57 × 75,865.10
  4. Step 4: Simplify right side
    142,368.14x = 16,210,973,676.21
  5. Step 5: Solve for x
    x = 16,210,973,676.21/142,368.14
  6. Step 6: Final answer
    x = 113,866.58

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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.