Home / 258,805.13-357,158.95-140,939.81

Finding the Fourth Proportional to 258,805.13, 357,158.95 and 140,939.81

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Solution

The fourth proportional to 258,805.13, 357,158.95 and 140,939.81 is: 194,501.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,805.13 : 357,158.95 = 140,939.81 : x
  2. Step 2: Convert to fraction form
    258,805.13/357,158.95 = 140,939.81/x
  3. Step 3: Cross multiply
    258,805.13x = 357,158.95 × 140,939.81
  4. Step 4: Simplify right side
    258,805.13x = 50,337,916,555.81
  5. Step 5: Solve for x
    x = 50,337,916,555.81/258,805.13
  6. Step 6: Final answer
    x = 194,501.24

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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.