Home / 250,283.57-345,416.10-142,869.76

Finding the Fourth Proportional to 250,283.57, 345,416.10 and 142,869.76

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Solution

The fourth proportional to 250,283.57, 345,416.10 and 142,869.76 is: 197,174.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,283.57 : 345,416.10 = 142,869.76 : x
  2. Step 2: Convert to fraction form
    250,283.57/345,416.10 = 142,869.76/x
  3. Step 3: Cross multiply
    250,283.57x = 345,416.10 × 142,869.76
  4. Step 4: Simplify right side
    250,283.57x = 49,349,513,580.06
  5. Step 5: Solve for x
    x = 49,349,513,580.06/250,283.57
  6. Step 6: Final answer
    x = 197,174.40

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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.