Home / 185,411.76-255,877.61-103,749.18

Finding the Fourth Proportional to 185,411.76, 255,877.61 and 103,749.18

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Solution

The fourth proportional to 185,411.76, 255,877.61 and 103,749.18 is: 143,179.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,411.76 : 255,877.61 = 103,749.18 : x
  2. Step 2: Convert to fraction form
    185,411.76/255,877.61 = 103,749.18/x
  3. Step 3: Cross multiply
    185,411.76x = 255,877.61 × 103,749.18
  4. Step 4: Simplify right side
    185,411.76x = 26,547,091,699.11
  5. Step 5: Solve for x
    x = 26,547,091,699.11/185,411.76
  6. Step 6: Final answer
    x = 143,179.11

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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.