Home / 122,774.32-169,283.64-84,030.83

Finding the Fourth Proportional to 122,774.32, 169,283.64 and 84,030.83

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Solution

The fourth proportional to 122,774.32, 169,283.64 and 84,030.83 is: 115,863.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,774.32 : 169,283.64 = 84,030.83 : x
  2. Step 2: Convert to fraction form
    122,774.32/169,283.64 = 84,030.83/x
  3. Step 3: Cross multiply
    122,774.32x = 169,283.64 × 84,030.83
  4. Step 4: Simplify right side
    122,774.32x = 14,225,044,774.62
  5. Step 5: Solve for x
    x = 14,225,044,774.62/122,774.32
  6. Step 6: Final answer
    x = 115,863.36

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1.5x scale

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.