Home / 112,679.07-168,807.42-56,453.34

Finding the Fourth Proportional to 112,679.07, 168,807.42 and 56,453.34

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Solution

The fourth proportional to 112,679.07, 168,807.42 and 56,453.34 is: 84,574.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,679.07 : 168,807.42 = 56,453.34 : x
  2. Step 2: Convert to fraction form
    112,679.07/168,807.42 = 56,453.34/x
  3. Step 3: Cross multiply
    112,679.07x = 168,807.42 × 56,453.34
  4. Step 4: Simplify right side
    112,679.07x = 9,529,742,675.78
  5. Step 5: Solve for x
    x = 9,529,742,675.78/112,679.07
  6. Step 6: Final answer
    x = 84,574.20

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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.