Home / 239,117.16-329,977.70-131,697.19

Finding the Fourth Proportional to 239,117.16, 329,977.70 and 131,697.19

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Solution

The fourth proportional to 239,117.16, 329,977.70 and 131,697.19 is: 181,739.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,117.16 : 329,977.70 = 131,697.19 : x
  2. Step 2: Convert to fraction form
    239,117.16/329,977.70 = 131,697.19/x
  3. Step 3: Cross multiply
    239,117.16x = 329,977.70 × 131,697.19
  4. Step 4: Simplify right side
    239,117.16x = 43,457,136,100.51
  5. Step 5: Solve for x
    x = 43,457,136,100.51/239,117.16
  6. Step 6: Final answer
    x = 181,739.93

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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.