Home / 94,431.64-130,316.16-51,990.19

Finding the Fourth Proportional to 94,431.64, 130,316.16 and 51,990.19

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Solution

The fourth proportional to 94,431.64, 130,316.16 and 51,990.19 is: 71,746.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,431.64 : 130,316.16 = 51,990.19 : x
  2. Step 2: Convert to fraction form
    94,431.64/130,316.16 = 51,990.19/x
  3. Step 3: Cross multiply
    94,431.64x = 130,316.16 × 51,990.19
  4. Step 4: Simplify right side
    94,431.64x = 6,775,161,918.47
  5. Step 5: Solve for x
    x = 6,775,161,918.47/94,431.64
  6. Step 6: Final answer
    x = 71,746.74

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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.