Home / 101,475.23-140,036.07-56,156.31

Finding the Fourth Proportional to 101,475.23, 140,036.07 and 56,156.31

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Solution

The fourth proportional to 101,475.23, 140,036.07 and 56,156.31 is: 77,495.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,475.23 : 140,036.07 = 56,156.31 : x
  2. Step 2: Convert to fraction form
    101,475.23/140,036.07 = 56,156.31/x
  3. Step 3: Cross multiply
    101,475.23x = 140,036.07 × 56,156.31
  4. Step 4: Simplify right side
    101,475.23x = 7,863,909,088.72
  5. Step 5: Solve for x
    x = 7,863,909,088.72/101,475.23
  6. Step 6: Final answer
    x = 77,495.85

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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.