Home / 79,746.70-119,620.18-74,875.16

Finding the Fourth Proportional to 79,746.70, 119,620.18 and 74,875.16

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Solution

The fourth proportional to 79,746.70, 119,620.18 and 74,875.16 is: 112,312.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,746.70 : 119,620.18 = 74,875.16 : x
  2. Step 2: Convert to fraction form
    79,746.70/119,620.18 = 74,875.16/x
  3. Step 3: Cross multiply
    79,746.70x = 119,620.18 × 74,875.16
  4. Step 4: Simplify right side
    79,746.70x = 8,956,580,116.73
  5. Step 5: Solve for x
    x = 8,956,580,116.73/79,746.70
  6. Step 6: Final answer
    x = 112,312.86

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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.