Home / 247,904.64-342,111.06-134,727.40

Finding the Fourth Proportional to 247,904.64, 342,111.06 and 134,727.40

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Solution

The fourth proportional to 247,904.64, 342,111.06 and 134,727.40 is: 185,925.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,904.64 : 342,111.06 = 134,727.40 : x
  2. Step 2: Convert to fraction form
    247,904.64/342,111.06 = 134,727.40/x
  3. Step 3: Cross multiply
    247,904.64x = 342,111.06 × 134,727.40
  4. Step 4: Simplify right side
    247,904.64x = 46,091,733,625.04
  5. Step 5: Solve for x
    x = 46,091,733,625.04/247,904.64
  6. Step 6: Final answer
    x = 185,925.26

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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.