Home / 97,320.28-134,338.40-75,767.32

Finding the Fourth Proportional to 97,320.28, 134,338.40 and 75,767.32

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Solution

The fourth proportional to 97,320.28, 134,338.40 and 75,767.32 is: 104,587.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,320.28 : 134,338.40 = 75,767.32 : x
  2. Step 2: Convert to fraction form
    97,320.28/134,338.40 = 75,767.32/x
  3. Step 3: Cross multiply
    97,320.28x = 134,338.40 × 75,767.32
  4. Step 4: Simplify right side
    97,320.28x = 10,178,460,541.09
  5. Step 5: Solve for x
    x = 10,178,460,541.09/97,320.28
  6. Step 6: Final answer
    x = 104,587.25

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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.