Home / 120,225.80-165,875.78-69,237.18

Finding the Fourth Proportional to 120,225.80, 165,875.78 and 69,237.18

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Solution

The fourth proportional to 120,225.80, 165,875.78 and 69,237.18 is: 95,526.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,225.80 : 165,875.78 = 69,237.18 : x
  2. Step 2: Convert to fraction form
    120,225.80/165,875.78 = 69,237.18/x
  3. Step 3: Cross multiply
    120,225.80x = 165,875.78 × 69,237.18
  4. Step 4: Simplify right side
    120,225.80x = 11,484,771,237.50
  5. Step 5: Solve for x
    x = 11,484,771,237.50/120,225.80
  6. Step 6: Final answer
    x = 95,526.68

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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.