Home / 102,208.52-141,052.40-56,889.40

Finding the Fourth Proportional to 102,208.52, 141,052.40 and 56,889.40

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Solution

The fourth proportional to 102,208.52, 141,052.40 and 56,889.40 is: 78,509.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,208.52 : 141,052.40 = 56,889.40 : x
  2. Step 2: Convert to fraction form
    102,208.52/141,052.40 = 56,889.40/x
  3. Step 3: Cross multiply
    102,208.52x = 141,052.40 × 56,889.40
  4. Step 4: Simplify right side
    102,208.52x = 8,024,386,404.56
  5. Step 5: Solve for x
    x = 8,024,386,404.56/102,208.52
  6. Step 6: Final answer
    x = 78,509.96

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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.