Home / 87,223.12-130,856.48-34,615.20

Finding the Fourth Proportional to 87,223.12, 130,856.48 and 34,615.20

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Solution

The fourth proportional to 87,223.12, 130,856.48 and 34,615.20 is: 51,931.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,223.12 : 130,856.48 = 34,615.20 : x
  2. Step 2: Convert to fraction form
    87,223.12/130,856.48 = 34,615.20/x
  3. Step 3: Cross multiply
    87,223.12x = 130,856.48 × 34,615.20
  4. Step 4: Simplify right side
    87,223.12x = 4,529,623,226.50
  5. Step 5: Solve for x
    x = 4,529,623,226.50/87,223.12
  6. Step 6: Final answer
    x = 51,931.45

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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.