Home / 136,006.05-187,688.43-75,582.32

Finding the Fourth Proportional to 136,006.05, 187,688.43 and 75,582.32

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Solution

The fourth proportional to 136,006.05, 187,688.43 and 75,582.32 is: 104,303.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,006.05 : 187,688.43 = 75,582.32 : x
  2. Step 2: Convert to fraction form
    136,006.05/187,688.43 = 75,582.32/x
  3. Step 3: Cross multiply
    136,006.05x = 187,688.43 × 75,582.32
  4. Step 4: Simplify right side
    136,006.05x = 14,185,926,038.12
  5. Step 5: Solve for x
    x = 14,185,926,038.12/136,006.05
  6. Step 6: Final answer
    x = 104,303.64

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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.