Home / 140,281.32-193,180.47-121,875.92

Finding the Fourth Proportional to 140,281.32, 193,180.47 and 121,875.92

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Solution

The fourth proportional to 140,281.32, 193,180.47 and 121,875.92 is: 167,834.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,281.32 : 193,180.47 = 121,875.92 : x
  2. Step 2: Convert to fraction form
    140,281.32/193,180.47 = 121,875.92/x
  3. Step 3: Cross multiply
    140,281.32x = 193,180.47 × 121,875.92
  4. Step 4: Simplify right side
    140,281.32x = 23,544,046,541.38
  5. Step 5: Solve for x
    x = 23,544,046,541.38/140,281.32
  6. Step 6: Final answer
    x = 167,834.51

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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.