Home / 136,461.88-188,318.67-75,210.26

Finding the Fourth Proportional to 136,461.88, 188,318.67 and 75,210.26

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Solution

The fourth proportional to 136,461.88, 188,318.67 and 75,210.26 is: 103,790.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,461.88 : 188,318.67 = 75,210.26 : x
  2. Step 2: Convert to fraction form
    136,461.88/188,318.67 = 75,210.26/x
  3. Step 3: Cross multiply
    136,461.88x = 188,318.67 × 75,210.26
  4. Step 4: Simplify right side
    136,461.88x = 14,163,495,191.96
  5. Step 5: Solve for x
    x = 14,163,495,191.96/136,461.88
  6. Step 6: Final answer
    x = 103,790.86

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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.