Home / 112,698.88-155,526.84-61,713.76

Finding the Fourth Proportional to 112,698.88, 155,526.84 and 61,713.76

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Solution

The fourth proportional to 112,698.88, 155,526.84 and 61,713.76 is: 85,166.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,698.88 : 155,526.84 = 61,713.76 : x
  2. Step 2: Convert to fraction form
    112,698.88/155,526.84 = 61,713.76/x
  3. Step 3: Cross multiply
    112,698.88x = 155,526.84 × 61,713.76
  4. Step 4: Simplify right side
    112,698.88x = 9,598,146,077.32
  5. Step 5: Solve for x
    x = 9,598,146,077.32/112,698.88
  6. Step 6: Final answer
    x = 85,166.30

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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.