Home / 84,015.36-126,045.60-34,130.16

Finding the Fourth Proportional to 84,015.36, 126,045.60 and 34,130.16

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Solution

The fourth proportional to 84,015.36, 126,045.60 and 34,130.16 is: 51,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,015.36 : 126,045.60 = 34,130.16 : x
  2. Step 2: Convert to fraction form
    84,015.36/126,045.60 = 34,130.16/x
  3. Step 3: Cross multiply
    84,015.36x = 126,045.60 × 34,130.16
  4. Step 4: Simplify right side
    84,015.36x = 4,301,956,495.30
  5. Step 5: Solve for x
    x = 4,301,956,495.30/84,015.36
  6. Step 6: Final answer
    x = 51,204.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.