Home / 134,544.50-185,671.46-77,988.68

Finding the Fourth Proportional to 134,544.50, 185,671.46 and 77,988.68

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Solution

The fourth proportional to 134,544.50, 185,671.46 and 77,988.68 is: 107,624.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,544.50 : 185,671.46 = 77,988.68 : x
  2. Step 2: Convert to fraction form
    134,544.50/185,671.46 = 77,988.68/x
  3. Step 3: Cross multiply
    134,544.50x = 185,671.46 × 77,988.68
  4. Step 4: Simplify right side
    134,544.50x = 14,480,272,079.07
  5. Step 5: Solve for x
    x = 14,480,272,079.07/134,544.50
  6. Step 6: Final answer
    x = 107,624.41

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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.