Home / 134,456.10-185,547.87-74,025.47

Finding the Fourth Proportional to 134,456.10, 185,547.87 and 74,025.47

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Solution

The fourth proportional to 134,456.10, 185,547.87 and 74,025.47 is: 102,154.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,456.10 : 185,547.87 = 74,025.47 : x
  2. Step 2: Convert to fraction form
    134,456.10/185,547.87 = 74,025.47/x
  3. Step 3: Cross multiply
    134,456.10x = 185,547.87 × 74,025.47
  4. Step 4: Simplify right side
    134,456.10x = 13,735,267,356.51
  5. Step 5: Solve for x
    x = 13,735,267,356.51/134,456.10
  6. Step 6: Final answer
    x = 102,154.29

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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.