Home / 178,320.15-267,332.81-139,051.35

Finding the Fourth Proportional to 178,320.15, 267,332.81 and 139,051.35

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Solution

The fourth proportional to 178,320.15, 267,332.81 and 139,051.35 is: 208,462.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,320.15 : 267,332.81 = 139,051.35 : x
  2. Step 2: Convert to fraction form
    178,320.15/267,332.81 = 139,051.35/x
  3. Step 3: Cross multiply
    178,320.15x = 267,332.81 × 139,051.35
  4. Step 4: Simplify right side
    178,320.15x = 37,172,987,434.54
  5. Step 5: Solve for x
    x = 37,172,987,434.54/178,320.15
  6. Step 6: Final answer
    x = 208,462.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.