Home / 130,417.16-179,979.96-73,827.32

Finding the Fourth Proportional to 130,417.16, 179,979.96 and 73,827.32

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Solution

The fourth proportional to 130,417.16, 179,979.96 and 73,827.32 is: 101,884.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,417.16 : 179,979.96 = 73,827.32 : x
  2. Step 2: Convert to fraction form
    130,417.16/179,979.96 = 73,827.32/x
  3. Step 3: Cross multiply
    130,417.16x = 179,979.96 × 73,827.32
  4. Step 4: Simplify right side
    130,417.16x = 13,287,438,100.51
  5. Step 5: Solve for x
    x = 13,287,438,100.51/130,417.16
  6. Step 6: Final answer
    x = 101,884.12

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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.