Home / 147,775.75-203,931.83-84,117.64

Finding the Fourth Proportional to 147,775.75, 203,931.83 and 84,117.64

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Solution

The fourth proportional to 147,775.75, 203,931.83 and 84,117.64 is: 116,083.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,775.75 : 203,931.83 = 84,117.64 : x
  2. Step 2: Convert to fraction form
    147,775.75/203,931.83 = 84,117.64/x
  3. Step 3: Cross multiply
    147,775.75x = 203,931.83 × 84,117.64
  4. Step 4: Simplify right side
    147,775.75x = 17,154,264,260.48
  5. Step 5: Solve for x
    x = 17,154,264,260.48/147,775.75
  6. Step 6: Final answer
    x = 116,083.08

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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.