Home / 191,145.35-286,698.20-64,782.32

Finding the Fourth Proportional to 191,145.35, 286,698.20 and 64,782.32

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Solution

The fourth proportional to 191,145.35, 286,698.20 and 64,782.32 is: 97,166.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,145.35 : 286,698.20 = 64,782.32 : x
  2. Step 2: Convert to fraction form
    191,145.35/286,698.20 = 64,782.32/x
  3. Step 3: Cross multiply
    191,145.35x = 286,698.20 × 64,782.32
  4. Step 4: Simplify right side
    191,145.35x = 18,572,973,142.82
  5. Step 5: Solve for x
    x = 18,572,973,142.82/191,145.35
  6. Step 6: Final answer
    x = 97,166.75

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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.