Home / 156,554.08-234,638.65-72,197.13

Finding the Fourth Proportional to 156,554.08, 234,638.65 and 72,197.13

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Solution

The fourth proportional to 156,554.08, 234,638.65 and 72,197.13 is: 108,206.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,554.08 : 234,638.65 = 72,197.13 : x
  2. Step 2: Convert to fraction form
    156,554.08/234,638.65 = 72,197.13/x
  3. Step 3: Cross multiply
    156,554.08x = 234,638.65 × 72,197.13
  4. Step 4: Simplify right side
    156,554.08x = 16,940,237,117.07
  5. Step 5: Solve for x
    x = 16,940,237,117.07/156,554.08
  6. Step 6: Final answer
    x = 108,206.93

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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.