Home / 107,419.87-148,228.02-62,090.65

Finding the Fourth Proportional to 107,419.87, 148,228.02 and 62,090.65

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Solution

The fourth proportional to 107,419.87, 148,228.02 and 62,090.65 is: 85,678.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,419.87 : 148,228.02 = 62,090.65 : x
  2. Step 2: Convert to fraction form
    107,419.87/148,228.02 = 62,090.65/x
  3. Step 3: Cross multiply
    107,419.87x = 148,228.02 × 62,090.65
  4. Step 4: Simplify right side
    107,419.87x = 9,203,574,110.01
  5. Step 5: Solve for x
    x = 9,203,574,110.01/107,419.87
  6. Step 6: Final answer
    x = 85,678.51

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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.