Home / 259,128.04-357,582.90-145,943.56

Finding the Fourth Proportional to 259,128.04, 357,582.90 and 145,943.56

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Solution

The fourth proportional to 259,128.04, 357,582.90 and 145,943.56 is: 201,394.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,128.04 : 357,582.90 = 145,943.56 : x
  2. Step 2: Convert to fraction form
    259,128.04/357,582.90 = 145,943.56/x
  3. Step 3: Cross multiply
    259,128.04x = 357,582.90 × 145,943.56
  4. Step 4: Simplify right side
    259,128.04x = 52,186,921,421.12
  5. Step 5: Solve for x
    x = 52,186,921,421.12/259,128.04
  6. Step 6: Final answer
    x = 201,394.34

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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.