Home / 140,345.32-210,370.92-65,403.64

Finding the Fourth Proportional to 140,345.32, 210,370.92 and 65,403.64

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Solution

The fourth proportional to 140,345.32, 210,370.92 and 65,403.64 is: 98,036.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,345.32 : 210,370.92 = 65,403.64 : x
  2. Step 2: Convert to fraction form
    140,345.32/210,370.92 = 65,403.64/x
  3. Step 3: Cross multiply
    140,345.32x = 210,370.92 × 65,403.64
  4. Step 4: Simplify right side
    140,345.32x = 13,759,023,918.15
  5. Step 5: Solve for x
    x = 13,759,023,918.15/140,345.32
  6. Step 6: Final answer
    x = 98,036.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.