Home / 247,885.02-342,079.70-134,707.76

Finding the Fourth Proportional to 247,885.02, 342,079.70 and 134,707.76

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Solution

The fourth proportional to 247,885.02, 342,079.70 and 134,707.76 is: 185,895.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,885.02 : 342,079.70 = 134,707.76 : x
  2. Step 2: Convert to fraction form
    247,885.02/342,079.70 = 134,707.76/x
  3. Step 3: Cross multiply
    247,885.02x = 342,079.70 × 134,707.76
  4. Step 4: Simplify right side
    247,885.02x = 46,080,790,128.47
  5. Step 5: Solve for x
    x = 46,080,790,128.47/247,885.02
  6. Step 6: Final answer
    x = 185,895.82

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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.