Home / 151,026.57-208,370.50-99,328.93

Finding the Fourth Proportional to 151,026.57, 208,370.50 and 99,328.93

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Solution

The fourth proportional to 151,026.57, 208,370.50 and 99,328.93 is: 137,043.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,026.57 : 208,370.50 = 99,328.93 : x
  2. Step 2: Convert to fraction form
    151,026.57/208,370.50 = 99,328.93/x
  3. Step 3: Cross multiply
    151,026.57x = 208,370.50 × 99,328.93
  4. Step 4: Simplify right side
    151,026.57x = 20,697,218,039.32
  5. Step 5: Solve for x
    x = 20,697,218,039.32/151,026.57
  6. Step 6: Final answer
    x = 137,043.55

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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.