Home / 251,805.07-377,707.65-83,280.18

Finding the Fourth Proportional to 251,805.07, 377,707.65 and 83,280.18

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Solution

The fourth proportional to 251,805.07, 377,707.65 and 83,280.18 is: 124,920.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,805.07 : 377,707.65 = 83,280.18 : x
  2. Step 2: Convert to fraction form
    251,805.07/377,707.65 = 83,280.18/x
  3. Step 3: Cross multiply
    251,805.07x = 377,707.65 × 83,280.18
  4. Step 4: Simplify right side
    251,805.07x = 31,455,561,079.38
  5. Step 5: Solve for x
    x = 31,455,561,079.38/251,805.07
  6. Step 6: Final answer
    x = 124,920.28

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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.