Home / 119,877.10-165,451.83-71,482.14

Finding the Fourth Proportional to 119,877.10, 165,451.83 and 71,482.14

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Solution

The fourth proportional to 119,877.10, 165,451.83 and 71,482.14 is: 98,658.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,877.10 : 165,451.83 = 71,482.14 : x
  2. Step 2: Convert to fraction form
    119,877.10/165,451.83 = 71,482.14/x
  3. Step 3: Cross multiply
    119,877.10x = 165,451.83 × 71,482.14
  4. Step 4: Simplify right side
    119,877.10x = 11,826,850,875.32
  5. Step 5: Solve for x
    x = 11,826,850,875.32/119,877.10
  6. Step 6: Final answer
    x = 98,658.13

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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.