Home / 261,881.56-361,386.96-160,077.52

Finding the Fourth Proportional to 261,881.56, 361,386.96 and 160,077.52

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Solution

The fourth proportional to 261,881.56, 361,386.96 and 160,077.52 is: 220,901.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,881.56 : 361,386.96 = 160,077.52 : x
  2. Step 2: Convert to fraction form
    261,881.56/361,386.96 = 160,077.52/x
  3. Step 3: Cross multiply
    261,881.56x = 361,386.96 × 160,077.52
  4. Step 4: Simplify right side
    261,881.56x = 57,849,928,317.14
  5. Step 5: Solve for x
    x = 57,849,928,317.14/261,881.56
  6. Step 6: Final answer
    x = 220,901.11

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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.