Home / 112,338.90-168,557.36-59,686.74

Finding the Fourth Proportional to 112,338.90, 168,557.36 and 59,686.74

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Solution

The fourth proportional to 112,338.90, 168,557.36 and 59,686.74 is: 89,556.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,338.90 : 168,557.36 = 59,686.74 : x
  2. Step 2: Convert to fraction form
    112,338.90/168,557.36 = 59,686.74/x
  3. Step 3: Cross multiply
    112,338.90x = 168,557.36 × 59,686.74
  4. Step 4: Simplify right side
    112,338.90x = 10,060,639,022.97
  5. Step 5: Solve for x
    x = 10,060,639,022.97/112,338.90
  6. Step 6: Final answer
    x = 89,556.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.