Home / 247,867.15-342,055.76-140,457.71

Finding the Fourth Proportional to 247,867.15, 342,055.76 and 140,457.71

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Solution

The fourth proportional to 247,867.15, 342,055.76 and 140,457.71 is: 193,831.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,867.15 : 342,055.76 = 140,457.71 : x
  2. Step 2: Convert to fraction form
    247,867.15/342,055.76 = 140,457.71/x
  3. Step 3: Cross multiply
    247,867.15x = 342,055.76 × 140,457.71
  4. Step 4: Simplify right side
    247,867.15x = 48,044,368,741.91
  5. Step 5: Solve for x
    x = 48,044,368,741.91/247,867.15
  6. Step 6: Final answer
    x = 193,831.13

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1.5x scale

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.