Home / 175,868.07-242,683.56-99,393.72

Finding the Fourth Proportional to 175,868.07, 242,683.56 and 99,393.72

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Solution

The fourth proportional to 175,868.07, 242,683.56 and 99,393.72 is: 137,155.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,868.07 : 242,683.56 = 99,393.72 : x
  2. Step 2: Convert to fraction form
    175,868.07/242,683.56 = 99,393.72/x
  3. Step 3: Cross multiply
    175,868.07x = 242,683.56 × 99,393.72
  4. Step 4: Simplify right side
    175,868.07x = 24,121,221,811.24
  5. Step 5: Solve for x
    x = 24,121,221,811.24/175,868.07
  6. Step 6: Final answer
    x = 137,155.21

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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.