Home / 101,475.48-140,036.34-56,155.38

Finding the Fourth Proportional to 101,475.48, 140,036.34 and 56,155.38

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Solution

The fourth proportional to 101,475.48, 140,036.34 and 56,155.38 is: 77,494.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,475.48 : 140,036.34 = 56,155.38 : x
  2. Step 2: Convert to fraction form
    101,475.48/140,036.34 = 56,155.38/x
  3. Step 3: Cross multiply
    101,475.48x = 140,036.34 × 56,155.38
  4. Step 4: Simplify right side
    101,475.48x = 7,863,793,886.51
  5. Step 5: Solve for x
    x = 7,863,793,886.51/101,475.48
  6. Step 6: Final answer
    x = 77,494.52

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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.