Home / 99,126.39-136,790.76-53,803.41

Finding the Fourth Proportional to 99,126.39, 136,790.76 and 53,803.41

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Solution

The fourth proportional to 99,126.39, 136,790.76 and 53,803.41 is: 74,246.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,126.39 : 136,790.76 = 53,803.41 : x
  2. Step 2: Convert to fraction form
    99,126.39/136,790.76 = 53,803.41/x
  3. Step 3: Cross multiply
    99,126.39x = 136,790.76 × 53,803.41
  4. Step 4: Simplify right side
    99,126.39x = 7,359,809,075.47
  5. Step 5: Solve for x
    x = 7,359,809,075.47/99,126.39
  6. Step 6: Final answer
    x = 74,246.72

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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.