Home / 156,554.29-216,045.34-84,934.32

Finding the Fourth Proportional to 156,554.29, 216,045.34 and 84,934.32

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Solution

The fourth proportional to 156,554.29, 216,045.34 and 84,934.32 is: 117,209.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,554.29 : 216,045.34 = 84,934.32 : x
  2. Step 2: Convert to fraction form
    156,554.29/216,045.34 = 84,934.32/x
  3. Step 3: Cross multiply
    156,554.29x = 216,045.34 × 84,934.32
  4. Step 4: Simplify right side
    156,554.29x = 18,349,664,042.07
  5. Step 5: Solve for x
    x = 18,349,664,042.07/156,554.29
  6. Step 6: Final answer
    x = 117,209.59

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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.