Home / 158,130.81-218,090.61-112,794.30

Finding the Fourth Proportional to 158,130.81, 218,090.61 and 112,794.30

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Solution

The fourth proportional to 158,130.81, 218,090.61 and 112,794.30 is: 155,563.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,130.81 : 218,090.61 = 112,794.30 : x
  2. Step 2: Convert to fraction form
    158,130.81/218,090.61 = 112,794.30/x
  3. Step 3: Cross multiply
    158,130.81x = 218,090.61 × 112,794.30
  4. Step 4: Simplify right side
    158,130.81x = 24,599,377,691.52
  5. Step 5: Solve for x
    x = 24,599,377,691.52/158,130.81
  6. Step 6: Final answer
    x = 155,563.47

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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.