Home / 147,933.40-204,132.18-87,506.20

Finding the Fourth Proportional to 147,933.40, 204,132.18 and 87,506.20

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Solution

The fourth proportional to 147,933.40, 204,132.18 and 87,506.20 is: 120,749.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,933.40 : 204,132.18 = 87,506.20 : x
  2. Step 2: Convert to fraction form
    147,933.40/204,132.18 = 87,506.20/x
  3. Step 3: Cross multiply
    147,933.40x = 204,132.18 × 87,506.20
  4. Step 4: Simplify right side
    147,933.40x = 17,862,831,369.52
  5. Step 5: Solve for x
    x = 17,862,831,369.52/147,933.40
  6. Step 6: Final answer
    x = 120,749.14

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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.