Home / 156,677.43-216,068.00-120,810.63

Finding the Fourth Proportional to 156,677.43, 216,068.00 and 120,810.63

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Solution

The fourth proportional to 156,677.43, 216,068.00 and 120,810.63 is: 166,605.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,677.43 : 216,068.00 = 120,810.63 : x
  2. Step 2: Convert to fraction form
    156,677.43/216,068.00 = 120,810.63/x
  3. Step 3: Cross multiply
    156,677.43x = 216,068.00 × 120,810.63
  4. Step 4: Simplify right side
    156,677.43x = 26,103,310,598.79
  5. Step 5: Solve for x
    x = 26,103,310,598.79/156,677.43
  6. Step 6: Final answer
    x = 166,605.43

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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.