Home / 142,455.08-213,603.75-58,274.39

Finding the Fourth Proportional to 142,455.08, 213,603.75 and 58,274.39

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Solution

The fourth proportional to 142,455.08, 213,603.75 and 58,274.39 is: 87,379.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,455.08 : 213,603.75 = 58,274.39 : x
  2. Step 2: Convert to fraction form
    142,455.08/213,603.75 = 58,274.39/x
  3. Step 3: Cross multiply
    142,455.08x = 213,603.75 × 58,274.39
  4. Step 4: Simplify right side
    142,455.08x = 12,447,627,164.94
  5. Step 5: Solve for x
    x = 12,447,627,164.94/142,455.08
  6. Step 6: Final answer
    x = 87,379.32

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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.