Home / 140,496.95-210,646.86-51,739.08

Finding the Fourth Proportional to 140,496.95, 210,646.86 and 51,739.08

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Solution

The fourth proportional to 140,496.95, 210,646.86 and 51,739.08 is: 77,572.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,496.95 : 210,646.86 = 51,739.08 : x
  2. Step 2: Convert to fraction form
    140,496.95/210,646.86 = 51,739.08/x
  3. Step 3: Cross multiply
    140,496.95x = 210,646.86 × 51,739.08
  4. Step 4: Simplify right side
    140,496.95x = 10,898,674,741.29
  5. Step 5: Solve for x
    x = 10,898,674,741.29/140,496.95
  6. Step 6: Final answer
    x = 77,572.32

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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.