Home / 102,036.26-140,804.01-56,712.69

Finding the Fourth Proportional to 102,036.26, 140,804.01 and 56,712.69

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Solution

The fourth proportional to 102,036.26, 140,804.01 and 56,712.69 is: 78,260.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,036.26 : 140,804.01 = 56,712.69 : x
  2. Step 2: Convert to fraction form
    102,036.26/140,804.01 = 56,712.69/x
  3. Step 3: Cross multiply
    102,036.26x = 140,804.01 × 56,712.69
  4. Step 4: Simplify right side
    102,036.26x = 7,985,373,933.38
  5. Step 5: Solve for x
    x = 7,985,373,933.38/102,036.26
  6. Step 6: Final answer
    x = 78,260.16

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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.