Home / 259,145.04-357,606.36-145,960.50

Finding the Fourth Proportional to 259,145.04, 357,606.36 and 145,960.50

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Solution

The fourth proportional to 259,145.04, 357,606.36 and 145,960.50 is: 201,417.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,145.04 : 357,606.36 = 145,960.50 : x
  2. Step 2: Convert to fraction form
    259,145.04/357,606.36 = 145,960.50/x
  3. Step 3: Cross multiply
    259,145.04x = 357,606.36 × 145,960.50
  4. Step 4: Simplify right side
    259,145.04x = 52,196,403,108.78
  5. Step 5: Solve for x
    x = 52,196,403,108.78/259,145.04
  6. Step 6: Final answer
    x = 201,417.72

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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.