Home / 261,002.15-360,165.89-153,551.40

Finding the Fourth Proportional to 261,002.15, 360,165.89 and 153,551.40

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Solution

The fourth proportional to 261,002.15, 360,165.89 and 153,551.40 is: 211,890.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,002.15 : 360,165.89 = 153,551.40 : x
  2. Step 2: Convert to fraction form
    261,002.15/360,165.89 = 153,551.40/x
  3. Step 3: Cross multiply
    261,002.15x = 360,165.89 × 153,551.40
  4. Step 4: Simplify right side
    261,002.15x = 55,303,975,675.00
  5. Step 5: Solve for x
    x = 55,303,975,675.00/261,002.15
  6. Step 6: Final answer
    x = 211,890.88

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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.