Home / 251,834.15-347,543.93-142,946.16

Finding the Fourth Proportional to 251,834.15, 347,543.93 and 142,946.16

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Solution

The fourth proportional to 251,834.15, 347,543.93 and 142,946.16 is: 197,272.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,834.15 : 347,543.93 = 142,946.16 : x
  2. Step 2: Convert to fraction form
    251,834.15/347,543.93 = 142,946.16/x
  3. Step 3: Cross multiply
    251,834.15x = 347,543.93 × 142,946.16
  4. Step 4: Simplify right side
    251,834.15x = 49,680,070,224.81
  5. Step 5: Solve for x
    x = 49,680,070,224.81/251,834.15
  6. Step 6: Final answer
    x = 197,272.97

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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.