Home / 142,330.26-213,328.64-58,037.82

Finding the Fourth Proportional to 142,330.26, 213,328.64 and 58,037.82

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Solution

The fourth proportional to 142,330.26, 213,328.64 and 58,037.82 is: 86,988.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,330.26 : 213,328.64 = 58,037.82 : x
  2. Step 2: Convert to fraction form
    142,330.26/213,328.64 = 58,037.82/x
  3. Step 3: Cross multiply
    142,330.26x = 213,328.64 × 58,037.82
  4. Step 4: Simplify right side
    142,330.26x = 12,381,128,227.81
  5. Step 5: Solve for x
    x = 12,381,128,227.81/142,330.26
  6. Step 6: Final answer
    x = 86,988.73

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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.