Home / 136,000.10-187,677.65-75,569.64

Finding the Fourth Proportional to 136,000.10, 187,677.65 and 75,569.64

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Solution

The fourth proportional to 136,000.10, 187,677.65 and 75,569.64 is: 104,284.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,000.10 : 187,677.65 = 75,569.64 : x
  2. Step 2: Convert to fraction form
    136,000.10/187,677.65 = 75,569.64/x
  3. Step 3: Cross multiply
    136,000.10x = 187,677.65 × 75,569.64
  4. Step 4: Simplify right side
    136,000.10x = 14,182,732,068.70
  5. Step 5: Solve for x
    x = 14,182,732,068.70/136,000.10
  6. Step 6: Final answer
    x = 104,284.72

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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.