Home / 111,119.31-153,343.46-60,130.92

Finding the Fourth Proportional to 111,119.31, 153,343.46 and 60,130.92

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Solution

The fourth proportional to 111,119.31, 153,343.46 and 60,130.92 is: 82,980.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,119.31 : 153,343.46 = 60,130.92 : x
  2. Step 2: Convert to fraction form
    111,119.31/153,343.46 = 60,130.92/x
  3. Step 3: Cross multiply
    111,119.31x = 153,343.46 × 60,130.92
  4. Step 4: Simplify right side
    111,119.31x = 9,220,684,051.15
  5. Step 5: Solve for x
    x = 9,220,684,051.15/111,119.31
  6. Step 6: Final answer
    x = 82,980.03

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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.