Home / 85,242.04-127,868.18-26,078.22

Finding the Fourth Proportional to 85,242.04, 127,868.18 and 26,078.22

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Solution

The fourth proportional to 85,242.04, 127,868.18 and 26,078.22 is: 39,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,242.04 : 127,868.18 = 26,078.22 : x
  2. Step 2: Convert to fraction form
    85,242.04/127,868.18 = 26,078.22/x
  3. Step 3: Cross multiply
    85,242.04x = 127,868.18 × 26,078.22
  4. Step 4: Simplify right side
    85,242.04x = 3,334,574,398.65
  5. Step 5: Solve for x
    x = 3,334,574,398.65/85,242.04
  6. Step 6: Final answer
    x = 39,118.90

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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.