Home / 215,868.71-297,899.10-119,070.39

Finding the Fourth Proportional to 215,868.71, 297,899.10 and 119,070.39

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Solution

The fourth proportional to 215,868.71, 297,899.10 and 119,070.39 is: 164,317.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,868.71 : 297,899.10 = 119,070.39 : x
  2. Step 2: Convert to fraction form
    215,868.71/297,899.10 = 119,070.39/x
  3. Step 3: Cross multiply
    215,868.71x = 297,899.10 × 119,070.39
  4. Step 4: Simplify right side
    215,868.71x = 35,470,962,017.65
  5. Step 5: Solve for x
    x = 35,470,962,017.65/215,868.71
  6. Step 6: Final answer
    x = 164,317.29

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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.