Home / 122,371.64-168,895.98-79,966.52

Finding the Fourth Proportional to 122,371.64, 168,895.98 and 79,966.52

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Solution

The fourth proportional to 122,371.64, 168,895.98 and 79,966.52 is: 110,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,371.64 : 168,895.98 = 79,966.52 : x
  2. Step 2: Convert to fraction form
    122,371.64/168,895.98 = 79,966.52/x
  3. Step 3: Cross multiply
    122,371.64x = 168,895.98 × 79,966.52
  4. Step 4: Simplify right side
    122,371.64x = 13,506,023,762.59
  5. Step 5: Solve for x
    x = 13,506,023,762.59/122,371.64
  6. Step 6: Final answer
    x = 110,368.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.