Home / 142,307.56-213,461.32-53,580.96

Finding the Fourth Proportional to 142,307.56, 213,461.32 and 53,580.96

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Solution

The fourth proportional to 142,307.56, 213,461.32 and 53,580.96 is: 80,371.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,307.56 : 213,461.32 = 53,580.96 : x
  2. Step 2: Convert to fraction form
    142,307.56/213,461.32 = 53,580.96/x
  3. Step 3: Cross multiply
    142,307.56x = 213,461.32 × 53,580.96
  4. Step 4: Simplify right side
    142,307.56x = 11,437,462,448.47
  5. Step 5: Solve for x
    x = 11,437,462,448.47/142,307.56
  6. Step 6: Final answer
    x = 80,371.43

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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.