Home / 145,264.20-200,488.42-121,026.77

Finding the Fourth Proportional to 145,264.20, 200,488.42 and 121,026.77

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Solution

The fourth proportional to 145,264.20, 200,488.42 and 121,026.77 is: 167,036.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,264.20 : 200,488.42 = 121,026.77 : x
  2. Step 2: Convert to fraction form
    145,264.20/200,488.42 = 121,026.77/x
  3. Step 3: Cross multiply
    145,264.20x = 200,488.42 × 121,026.77
  4. Step 4: Simplify right side
    145,264.20x = 24,264,465,895.00
  5. Step 5: Solve for x
    x = 24,264,465,895.00/145,264.20
  6. Step 6: Final answer
    x = 167,036.79

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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.