Home / 109,430.40-164,145.60-96,308.40

Finding the Fourth Proportional to 109,430.40, 164,145.60 and 96,308.40

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Solution

The fourth proportional to 109,430.40, 164,145.60 and 96,308.40 is: 144,462.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,430.40 : 164,145.60 = 96,308.40 : x
  2. Step 2: Convert to fraction form
    109,430.40/164,145.60 = 96,308.40/x
  3. Step 3: Cross multiply
    109,430.40x = 164,145.60 × 96,308.40
  4. Step 4: Simplify right side
    109,430.40x = 15,808,600,103.04
  5. Step 5: Solve for x
    x = 15,808,600,103.04/109,430.40
  6. Step 6: Final answer
    x = 144,462.60

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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.