Home / 110,779.13-166,168.70-87,762.17

Finding the Fourth Proportional to 110,779.13, 166,168.70 and 87,762.17

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Solution

The fourth proportional to 110,779.13, 166,168.70 and 87,762.17 is: 131,643.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,779.13 : 166,168.70 = 87,762.17 : x
  2. Step 2: Convert to fraction form
    110,779.13/166,168.70 = 87,762.17/x
  3. Step 3: Cross multiply
    110,779.13x = 166,168.70 × 87,762.17
  4. Step 4: Simplify right side
    110,779.13x = 14,583,325,698.08
  5. Step 5: Solve for x
    x = 14,583,325,698.08/110,779.13
  6. Step 6: Final answer
    x = 131,643.26

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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.