Home / 94,686.32-142,005.01-28,111.38

Finding the Fourth Proportional to 94,686.32, 142,005.01 and 28,111.38

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Solution

The fourth proportional to 94,686.32, 142,005.01 and 28,111.38 is: 42,159.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,686.32 : 142,005.01 = 28,111.38 : x
  2. Step 2: Convert to fraction form
    94,686.32/142,005.01 = 28,111.38/x
  3. Step 3: Cross multiply
    94,686.32x = 142,005.01 × 28,111.38
  4. Step 4: Simplify right side
    94,686.32x = 3,991,956,798.01
  5. Step 5: Solve for x
    x = 3,991,956,798.01/94,686.32
  6. Step 6: Final answer
    x = 42,159.81

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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.