Home / 99,756.48-148,904.88-87,947.04

Finding the Fourth Proportional to 99,756.48, 148,904.88 and 87,947.04

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Solution

The fourth proportional to 99,756.48, 148,904.88 and 87,947.04 is: 131,277.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,756.48 : 148,904.88 = 87,947.04 : x
  2. Step 2: Convert to fraction form
    99,756.48/148,904.88 = 87,947.04/x
  3. Step 3: Cross multiply
    99,756.48x = 148,904.88 × 87,947.04
  4. Step 4: Simplify right side
    99,756.48x = 13,095,743,437.56
  5. Step 5: Solve for x
    x = 13,095,743,437.56/99,756.48
  6. Step 6: Final answer
    x = 131,277.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.