Home / 147,984.16-204,218.32-84,321.76

Finding the Fourth Proportional to 147,984.16, 204,218.32 and 84,321.76

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Solution

The fourth proportional to 147,984.16, 204,218.32 and 84,321.76 is: 116,364.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,984.16 : 204,218.32 = 84,321.76 : x
  2. Step 2: Convert to fraction form
    147,984.16/204,218.32 = 84,321.76/x
  3. Step 3: Cross multiply
    147,984.16x = 204,218.32 × 84,321.76
  4. Step 4: Simplify right side
    147,984.16x = 17,220,048,166.64
  5. Step 5: Solve for x
    x = 17,220,048,166.64/147,984.16
  6. Step 6: Final answer
    x = 116,364.13

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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.