Home / 250,261.10-345,360.46-137,085.74

Finding the Fourth Proportional to 250,261.10, 345,360.46 and 137,085.74

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Solution

The fourth proportional to 250,261.10, 345,360.46 and 137,085.74 is: 189,178.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,261.10 : 345,360.46 = 137,085.74 : x
  2. Step 2: Convert to fraction form
    250,261.10/345,360.46 = 137,085.74/x
  3. Step 3: Cross multiply
    250,261.10x = 345,360.46 × 137,085.74
  4. Step 4: Simplify right side
    250,261.10x = 47,343,992,499.04
  5. Step 5: Solve for x
    x = 47,343,992,499.04/250,261.10
  6. Step 6: Final answer
    x = 189,178.40

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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.