Home / 94,386.03-130,278.31-55,657.68

Finding the Fourth Proportional to 94,386.03, 130,278.31 and 55,657.68

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Solution

The fourth proportional to 94,386.03, 130,278.31 and 55,657.68 is: 76,822.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,386.03 : 130,278.31 = 55,657.68 : x
  2. Step 2: Convert to fraction form
    94,386.03/130,278.31 = 55,657.68/x
  3. Step 3: Cross multiply
    94,386.03x = 130,278.31 × 55,657.68
  4. Step 4: Simplify right side
    94,386.03x = 7,250,988,488.92
  5. Step 5: Solve for x
    x = 7,250,988,488.92/94,386.03
  6. Step 6: Final answer
    x = 76,822.69

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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.