Home / 256,735.02-354,306.76-142,013.16

Finding the Fourth Proportional to 256,735.02, 354,306.76 and 142,013.16

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Solution

The fourth proportional to 256,735.02, 354,306.76 and 142,013.16 is: 195,985.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,735.02 : 354,306.76 = 142,013.16 : x
  2. Step 2: Convert to fraction form
    256,735.02/354,306.76 = 142,013.16/x
  3. Step 3: Cross multiply
    256,735.02x = 354,306.76 × 142,013.16
  4. Step 4: Simplify right side
    256,735.02x = 50,316,222,596.96
  5. Step 5: Solve for x
    x = 50,316,222,596.96/256,735.02
  6. Step 6: Final answer
    x = 195,985.04

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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.