Home / 195,009.15-292,021.65-155,643.15

Finding the Fourth Proportional to 195,009.15, 292,021.65 and 155,643.15

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Solution

The fourth proportional to 195,009.15, 292,021.65 and 155,643.15 is: 233,071.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,009.15 : 292,021.65 = 155,643.15 : x
  2. Step 2: Convert to fraction form
    195,009.15/292,021.65 = 155,643.15/x
  3. Step 3: Cross multiply
    195,009.15x = 292,021.65 × 155,643.15
  4. Step 4: Simplify right side
    195,009.15x = 45,451,169,474.20
  5. Step 5: Solve for x
    x = 45,451,169,474.20/195,009.15
  6. Step 6: Final answer
    x = 233,071.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.