Home / 175,575.79-242,065.83-111,890.35

Finding the Fourth Proportional to 175,575.79, 242,065.83 and 111,890.35

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Solution

The fourth proportional to 175,575.79, 242,065.83 and 111,890.35 is: 154,262.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,575.79 : 242,065.83 = 111,890.35 : x
  2. Step 2: Convert to fraction form
    175,575.79/242,065.83 = 111,890.35/x
  3. Step 3: Cross multiply
    175,575.79x = 242,065.83 × 111,890.35
  4. Step 4: Simplify right side
    175,575.79x = 27,084,830,441.74
  5. Step 5: Solve for x
    x = 27,084,830,441.74/175,575.79
  6. Step 6: Final answer
    x = 154,262.90

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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.