Home / 266,763.95-368,129.07-145,904.88

Finding the Fourth Proportional to 266,763.95, 368,129.07 and 145,904.88

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Solution

The fourth proportional to 266,763.95, 368,129.07 and 145,904.88 is: 201,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,763.95 : 368,129.07 = 145,904.88 : x
  2. Step 2: Convert to fraction form
    266,763.95/368,129.07 = 145,904.88/x
  3. Step 3: Cross multiply
    266,763.95x = 368,129.07 × 145,904.88
  4. Step 4: Simplify right side
    266,763.95x = 53,711,827,782.86
  5. Step 5: Solve for x
    x = 53,711,827,782.86/266,763.95
  6. Step 6: Final answer
    x = 201,345.90

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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.