Home / 155,948.94-215,209.38-84,328.32

Finding the Fourth Proportional to 155,948.94, 215,209.38 and 84,328.32

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Solution

The fourth proportional to 155,948.94, 215,209.38 and 84,328.32 is: 116,373.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,948.94 : 215,209.38 = 84,328.32 : x
  2. Step 2: Convert to fraction form
    155,948.94/215,209.38 = 84,328.32/x
  3. Step 3: Cross multiply
    155,948.94x = 215,209.38 × 84,328.32
  4. Step 4: Simplify right side
    155,948.94x = 18,148,245,463.64
  5. Step 5: Solve for x
    x = 18,148,245,463.64/155,948.94
  6. Step 6: Final answer
    x = 116,373.00

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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.