Home / 106,609.02-147,129.08-61,301.74

Finding the Fourth Proportional to 106,609.02, 147,129.08 and 61,301.74

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Solution

The fourth proportional to 106,609.02, 147,129.08 and 61,301.74 is: 84,601.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,609.02 : 147,129.08 = 61,301.74 : x
  2. Step 2: Convert to fraction form
    106,609.02/147,129.08 = 61,301.74/x
  3. Step 3: Cross multiply
    106,609.02x = 147,129.08 × 61,301.74
  4. Step 4: Simplify right side
    106,609.02x = 9,019,268,608.60
  5. Step 5: Solve for x
    x = 9,019,268,608.60/106,609.02
  6. Step 6: Final answer
    x = 84,601.36

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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.