Home / 259,151.04-357,621.12-145,971.20

Finding the Fourth Proportional to 259,151.04, 357,621.12 and 145,971.20

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Solution

The fourth proportional to 259,151.04, 357,621.12 and 145,971.20 is: 201,436.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,151.04 : 357,621.12 = 145,971.20 : x
  2. Step 2: Convert to fraction form
    259,151.04/357,621.12 = 145,971.20/x
  3. Step 3: Cross multiply
    259,151.04x = 357,621.12 × 145,971.20
  4. Step 4: Simplify right side
    259,151.04x = 52,202,384,031.74
  5. Step 5: Solve for x
    x = 52,202,384,031.74/259,151.04
  6. Step 6: Final answer
    x = 201,436.14

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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.